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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
423505073388040579 ~1992
423511514235115119 ~1992
42351971847039438 ~1991
423524117623433999 ~1993
42353483847069678 ~1991
42354491847089838 ~1991
423556972541341839 ~1992
42356603847132078 ~1991
423569332541415999 ~1992
42357239847144798 ~1991
42357619101658285710 ~1993
42357923847158478 ~1991
42358091847161838 ~1991
42359591847191838 ~1991
423602114236021119 ~1992
423606732541640399 ~1992
42360971847219438 ~1991
423617772541706639 ~1992
42364139847282798 ~1991
42364379847287598 ~1991
42364571847291438 ~1991
423651612541909679 ~1992
42365243847304878 ~1991
42365579847311598 ~1991
423656772541940639 ~1992
Exponent Prime Factor Digits Year
423676732542060399 ~1992
42368363847367278 ~1991
42368387110157806310 ~1993
42368531847370638 ~1991
42369683847393678 ~1991
42370271847405438 ~1991
42370799847415998 ~1991
42371099847421998 ~1991
42371113169484452110 ~1994
42371783847435678 ~1991
42371999847439998 ~1991
42372131847442638 ~1991
42372383847447678 ~1991
42372623847452478 ~1991
423727613389820899 ~1992
42373763847475278 ~1991
42373763440687135310
42373811847476238 ~1991
42374831847496638 ~1991
42375023847500478 ~1991
42375071847501438 ~1991
42375479847509598 ~1991
42375803847516078 ~1991
42376843305113269710 ~1994
423778276780452339 ~1993
Exponent Prime Factor Digits Year
423779393390235139 ~1992
42378659847573198 ~1991
42378851847577038 ~1991
423800813390406499 ~1992
423806693390453539 ~1992
423807316780916979 ~1993
42381863847637278 ~1991
42382883847657678 ~1991
42383903847678078 ~1991
42384143847682878 ~1991
42384263847685278 ~1991
42384371847687438 ~1991
42384431847688638 ~1991
423844373390754979 ~1992
423848412543090479 ~1992
423852074238520719 ~1992
423852434238524319 ~1992
423854513390836099 ~1992
42385691847713838 ~1991
42385823847716478 ~1991
423870532543223199 ~1992
423878332543269999 ~1992
42388271847765438 ~1991
42389939847798798 ~1991
42390119847802398 ~1991
Exponent Prime Factor Digits Year
42390203847804078 ~1991
42391703847834078 ~1991
42393863847877278 ~1991
42395351847907038 ~1991
42395663847913278 ~1991
42396371135668387310 ~1994
423972316783556979 ~1993
423985013391880099 ~1992
42399251847985038 ~1991
42400139848002798 ~1991
42401423848028478 ~1991
42401531848030638 ~1991
424017173392137379 ~1992
42404039848080798 ~1991
42404231848084638 ~1991
424068172544409039 ~1992
42407003848140078 ~1991
424072012544432079 ~1992
42407471848149438 ~1991
424076813392614499 ~1992
42408011848160238 ~1991
42408479848169598 ~1991
42408491848169838 ~1991
42409859848197198 ~1991
42409943848198878 ~1991
2052
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25-11-02