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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
42304439846088798 ~1991
42304571846091438 ~1991
423053575922749999 ~1993
42306899846137998 ~1991
42307691846153838 ~1991
42308663846173278 ~1991
423097313384778499 ~1992
423102532538615199 ~1992
42310979846219598 ~1991
42311519101547645710 ~1993
42312239846244798 ~1991
42312299846245998 ~1991
42312359846247198 ~1991
42314879846297598 ~1991
423154332538925999 ~1992
42315743846314878 ~1991
42316679846333598 ~1991
42317339846346798 ~1991
42318599846371998 ~1991
42321731846434638 ~1991
42323483846469678 ~1991
423237132539422799 ~1992
42324251846485038 ~1991
42324479846489598 ~1991
42324983846499678 ~1991
Exponent Prime Factor Digits Year
42325799846515998 ~1991
42326783846535678 ~1991
423271332539627999 ~1992
42329783846595678 ~1991
423298732539792399 ~1992
42330251846605038 ~1991
42330443846608878 ~1991
423304673386437379 ~1992
42331463846629278 ~1991
42331931846638638 ~1991
42332293474121681710 ~1995
42332659812787052910 ~1995
423332573386660579 ~1992
42333283143933162310 ~1994
423341575926781999 ~1993
42334739846694798 ~1991
423352132540112799 ~1992
42335399846707998 ~1991
423355973386847779 ~1992
42336263846725278 ~1991
42337283846745678 ~1991
423390914233909119 ~1992
42339743846794878 ~1991
423399773387198179 ~1992
42340049101616117710 ~1993
Exponent Prime Factor Digits Year
42340751846815038 ~1991
423410594234105919 ~1992
42342803846856078 ~1991
42343079846861598 ~1991
42343541237123829710 ~1994
42343811846876238 ~1991
42343883846877678 ~1991
42344903846898078 ~1991
423449172540695039 ~1992
42345203846904078 ~1991
42345983846919678 ~1991
42347639846952798 ~1991
42348191846963838 ~1991
42348791846975838 ~1991
42349319846986398 ~1991
423494212540965279 ~1992
42349523846990478 ~1991
423505073388040579 ~1992
423511514235115119 ~1992
42351971847039438 ~1991
423524117623433999 ~1993
42353483847069678 ~1991
42354491847089838 ~1991
423556972541341839 ~1992
42356603847132078 ~1991
Exponent Prime Factor Digits Year
423569332541415999 ~1992
42357239847144798 ~1991
42357619101658285710 ~1993
42357923847158478 ~1991
42358091847161838 ~1991
42359591847191838 ~1991
423602114236021119 ~1992
423606732541640399 ~1992
42360971847219438 ~1991
423617772541706639 ~1992
42364139847282798 ~1991
42364379847287598 ~1991
423651612541909679 ~1992
42365243847304878 ~1991
42365579847311598 ~1991
423656772541940639 ~1992
42368363847367278 ~1991
42368387110157806310 ~1993
42368531847370638 ~1991
42369683847393678 ~1991
42370271847405438 ~1991
42370799847415998 ~1991
42371099847421998 ~1991
42371113169484452110 ~1994
42371783847435678 ~1991
1939
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25-04-13