<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-08-07</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001057706</issuerCik>
        <issuerName>FIRST BANCORP /PR/</issuerName>
        <issuerTradingSymbol>FBP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532824</rptOwnerCik>
            <rptOwnerName>Oaktree Principal Fund V (Delaware), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532822</rptOwnerCik>
            <rptOwnerName>Oaktree Fund AIF Series, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532818</rptOwnerCik>
            <rptOwnerName>Oaktree Fund GP AIF, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532823</rptOwnerCik>
            <rptOwnerName>Oaktree Fund GP III, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532820</rptOwnerCik>
            <rptOwnerName>Oaktree AIF Investments, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532819</rptOwnerCik>
            <rptOwnerName>Oaktree AIF Holdings, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000949509</rptOwnerCik>
            <rptOwnerName>OAKTREE CAPITAL MANAGEMENT LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403382</rptOwnerCik>
            <rptOwnerName>Oaktree Holdings, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532821</rptOwnerCik>
            <rptOwnerName>Oaktree FF Investment Fund AIF (Delaware), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former director and 10% owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.10 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2017-08-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.655</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10051733</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 7, 2017, Oaktree Principal Fund V (Delaware), L.P. (the &quot;PF V Fund&quot;) sold 8,273,000 shares of Common Stock of the Issuer and Oaktree FF Investment Fund AIF (Delaware), L.P. (the &quot;AIF Fund&quot;) sold 1,727,000 shares of Common Stock of the Issuer pursuant to the Underwriting Agreement, dated as of August 2, 2017, among Goldman Sachs &amp; Co. LLC, the Issuer and the selling stockholders named therein, including the PF V Fund and the AIF Fund (the &quot;Sale&quot;).</footnote>
        <footnote id="F2">After giving effect to the Sale, the PF V Fund holds 8,267,689 shares of Common Stock of the Issuer and the AIF Fund holds 1,725,892 shares of Common Stock of the Issuer.  OCM FIE, LLC (&quot;FIE&quot;) also holds 58,152 shares of Common Stock and restricted stock.</footnote>
        <footnote id="F3">This Form 4 is being filed by (i) the PF V Fund, (ii) the AIF Fund, (iii) Oaktree Capital Group Holdings GP, LLC (&quot;OCGH GP&quot;), in its capacities as manager of Oaktree Capital Group, LLC (&quot;OCG&quot;) and general partner of Oaktree Capital Group Holdings, L.P. (&quot;OCGH LP&quot;), (iv) OCG, in its capacities as managing member of Oaktree Holdings, LLC (&quot;Oaktree Holdings&quot;) and sole stockholder of Oaktree Holdings, Inc. (&quot;Holdings&quot;), (v) Oaktree Holdings, in its capacity as managing member of OCM Holdings I, LLC (&quot;Oaktree Holdings I&quot;), (vi) Oaktree Holdings I, in its capacity as general partner of Oaktree Capital I, L.P. (&quot;Oaktree Capital I&quot;), (vii) Oaktree Capital I, in its capacity as general partner of Oaktree Fund GP I, L.P. (&quot;Oaktree Fund GP I&quot;), (viii) Oaktree Fund GP I, in its capacity as managing member of Oaktree Fund GP, LLC (&quot;Oaktree Fund GP&quot;), (ix) Oaktree Fund GP, in its capacity as general partner of the PF V Fund,</footnote>
        <footnote id="F4">(Continued from Footnote 3) (x) OCGH LP in its capacity as controlling shareholder of Oaktree AIF Holdings, Inc. (&quot;Oaktree AIF Holdings&quot;), (xi) Oaktree AIF Holdings, in its capacity as general partner of Oaktree AIF Investments, L.P. (&quot;Oaktree AIF Investments&quot;), (xii) Oaktree AIF Investments, in its capacity as general partner of Oaktree Fund GP III, L.P. (&quot;Oaktree GP III&quot;), (xiii) Oaktree GP III, in its capacity as the managing member of Oaktree Fund GP AIF, LLC (&quot;Oaktree GP AIF&quot;), (xiv) Oaktree GP AIF, in its capacity as general partner of Oaktree Fund AIF Series, L.P. - Series I (&quot;Oaktree AIF&quot; and, collectively with the PF Fund, the AIF Fund, OCGH GP, OCGH LP, OCG, Oaktree Holdings, Oaktree Holdings I, Oaktree Capital I, Oaktree Fund GP I, Oaktree Fund GP, Oaktree AIF Holdings, Oaktree AIF Investments, Oaktree GP III, Oaktree GP AIF, Oaktree AIF, FIE and Holdings, the &quot;Reporting Persons&quot; and each, a &quot;Reporting Person&quot;),</footnote>
        <footnote id="F5">(Continued from Footnote 4) (xv) Oaktree AIF, in its capacity as general partner of the AIF Fund, (xvi) FIE, (xvii) Oaktree Capital Management, L.P. (&quot;OCM&quot;), in its capacity as the managing member of FIE, and (xviii) Holdings, in its capacity as the general partner of OCM.</footnote>
        <footnote id="F6">OCGH GP may be deemed to have a beneficial ownership interest in the 10,051,733 shares of Common Stock that are held and collectively owned by the PF V Fund, the AIF Fund and FIE.  Each of OCG, Oaktree Holdings, Oaktree Holdings I, Oaktree Capital I, Oaktree Fund GP I and Oaktree Fund GP may be deemed to have a beneficial ownership interest in the 8,325,841 shares of Common Stock that are held and collectively owned by the PF V Fund and FIE.  Each of OCG, Holdings and OCM may be deemed to have a beneficial ownership interest in the 58,152 shares of Common Stock that are held by FIE.  Each of OCGH LP, Oaktree AIF Holdings, Oaktree AIF Investments, Oaktree GP III, Oaktree GP AIF and Oaktree AIF may be deemed to have a beneficial ownership interest in the 1,725,892 shares of Common Stock that are held by the AIF Fund.</footnote>
        <footnote id="F7">(Continued from Footnote 6) Information with respect to each Reporting Person is given solely by such Reporting Person, and no such Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.  Each Reporting Person disclaims beneficial ownership of all shares reported herein except to the extent of their respective pecuniary interest therein and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any shares covered by this Form 4.</footnote>
        <footnote id="F8">OCGH GP is a limited liability company managed by an executive committee, the members of which are Howard S. Marks, Bruce A. Karsh, Jay S. Wintrob, John B. Frank and Sheldon M. Stone (the &quot;OCGH GP Members&quot;). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities reported herein. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.</footnote>
    </footnotes>

    <remarks>This Form 4 is being filed in two parts due to the large number of reporting persons. This filing is being filed by Oaktree Principal Fund V (Delaware), L.P., Oaktree FF Investment Fund AIF (Delaware), L.P., Oaktree Fund AIF Series, L.P. - Series I, Oaktree Fund GP AIF, LLC, Oaktree Fund GP III, L.P., Oaktree AIF Holdings, Inc., OCM and Holdings.  An accompanying filing is being filed on the date hereof by Oaktree Capital Group Holdings GP, LLC, Oaktree Capital Group Holdings, L.P., Oaktree Capital Group, LLC, Oaktree Holdings, LLC, OCM Holdings I, LLC, Oaktree Capital I, L.P., Oaktree Fund GP I, L.P., Oaktree Fund GP, LLC and FIE.  All filings relate to the same holdings described above.</remarks>

    <ownerSignature>
        <signatureName>See Signatures Included in Exhibit 99.1</signatureName>
        <signatureDate>2017-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
