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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
12042983240859678 ~1986
120430272167744879 ~1989
120430391204303919 ~1988
12043151240863038 ~1986
12043441722606478 ~1987
12043571240871438 ~1986
120436371686109199 ~1988
12044159240883198 ~1986
12044297722657838 ~1987
12044471240889438 ~1986
12044723240894478 ~1986
12044741963579298 ~1988
12044953722697198 ~1987
120460332891047939 ~1989
12046103240922078 ~1986
12046403240928078 ~1986
12046691240933838 ~1986
12047039240940798 ~1986
120474791204747919 ~1988
12047531240950638 ~1986
12048083240961678 ~1986
12048551240971038 ~1986
120486833132657599 ~1989
12048923240978478 ~1986
12049153722949198 ~1987
Exponent Prime Factor Digits Year
120492592891822179 ~1989
12049451963956098 ~1988
12049571963965698 ~1988
120495731927931699 ~1988
12049657722979438 ~1987
12049853722991198 ~1987
120500292892006979 ~1989
12050039241000798 ~1986
12050063241001278 ~1986
12050099241001998 ~1986
12050153723009198 ~1987
12050273723016398 ~1987
120508391205083919 ~1988
12051577723094638 ~1987
12051659241033198 ~1986
120521232892509539 ~1989
12052151241043038 ~1986
12052259241045198 ~1986
12052283241045678 ~1986
120523631928378099 ~1988
12052619241052398 ~1986
12053939241078798 ~1986
12053981964318498 ~1988
120541991205419919 ~1988
12054761723285678 ~1987
Exponent Prime Factor Digits Year
12054851241097038 ~1986
12055079241101598 ~1986
12055391241107838 ~1986
12055811241116238 ~1986
12055943241118878 ~1986
120559973616799119 ~1989
12056333723379998 ~1987
12056399241127998 ~1986
12056483241129678 ~1986
12056771241135438 ~1986
12056939241138798 ~1986
12057179241143598 ~1986
12057263241145278 ~1986
12057347964587778 ~1988
120574996993349439 ~1990
120575471205754719 ~1988
120575471929207539
12058379241167598 ~1986
120583933617517919 ~1989
12058589238760062310 ~1991
12058883241177678 ~1986
12058993723539598 ~1987
12059123241182478 ~1986
12059653723579198 ~1987
12059711241194238 ~1986
Exponent Prime Factor Digits Year
12060071241201438 ~1986
12060137964810978 ~1988
12060263241205278 ~1986
12060551241211038 ~1986
120605531929688499 ~1988
12060911964872898 ~1988
12061331241226638 ~1986
120616491688630879 ~1988
12061859241237198 ~1986
12061919241238398 ~1986
120622031929952499 ~1988
12062279241245598 ~1986
12062339241246798 ~1986
12062399241247998 ~1986
12062497723749838 ~1987
12062819241256398 ~1986
12063011241260238 ~1986
12063041965043298 ~1988
12063563241271278 ~1986
12063899241277998 ~1986
12064253723855198 ~1987
12064499241289998 ~1986
12064583241291678 ~1986
12064691965175298 ~1988
120647094584589439 ~1989
1115
GIMPS The Prime Pages FactorDb.com
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25-05-04