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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
20329139406582798 ~1988
20329559345602503110 ~1993
203296491626371939 ~1990
20329979406599598 ~1988
20330339406606798 ~1988
203304111626432899 ~1990
20330543406610878 ~1988
20330819406616398 ~1988
20330951406619038 ~1988
20331323406626478 ~1988
20331743406634878 ~1988
20332283406645678 ~1988
20332439406648798 ~1988
20332583406651678 ~1988
20332919406658398 ~1988
20332979406659598 ~1988
203329813253276979 ~1990
20333699406673998 ~1988
20335223406704478 ~1988
203352771220116639 ~1989
20335379406707598 ~1988
203356971626855779 ~1990
203359371220156239 ~1989
20336399406727998 ~1988
20336843406736878 ~1988
Exponent Prime Factor Digits Year
203371998541623599 ~1991
20337371406747438 ~1988
20337563406751278 ~1988
20337959406759198 ~1988
20338943406778878 ~1988
203391971220351839 ~1989
20339339406786798 ~1988
203393571220361439 ~1989
203395971627167779 ~1990
203396097729051439 ~1991
20340251406805038 ~1988
20340863406817278 ~1988
20341273288846076710 ~1993
203414811220488879 ~1989
20341991406839838 ~1988
20342243406844878 ~1988
20342303406846078 ~1988
20342351406847038 ~1988
20343371406867438 ~1988
203438331220629999 ~1989
20344211406884238 ~1988
203442731220656399 ~1989
20344319406886398 ~1988
203445174882684099 ~1991
20344619406892398 ~1988
Exponent Prime Factor Digits Year
20344823406896478 ~1988
20345483406909678 ~1988
20345519406910398 ~1988
20345603406912078 ~1988
20345771406915438 ~1988
20346071406921438 ~1988
20346251406925038 ~1988
203466171627729379 ~1990
20346899406937998 ~1988
20346923406938478 ~1988
20346983406939678 ~1988
20347511406950238 ~1988
20348171406963438 ~1988
20348963406979278 ~1988
203494793662906239 ~1990
203495571220973439 ~1989
20349683406993678 ~1988
20349743406994878 ~1988
203500793663014239 ~1990
20350559407011198 ~1988
20350931407018638 ~1988
20351339407026798 ~1988
20352191407043838 ~1988
20352203407044078 ~1988
203533791628270339 ~1990
Exponent Prime Factor Digits Year
20353559407071198 ~1988
20353583407071678 ~1988
20354303407086078 ~1988
203547792035477919 ~1990
20354891407097838 ~1988
20356139407122798 ~1988
20356211407124238 ~1988
203562291628498339 ~1990
20356439407128798 ~1988
20356631407132638 ~1988
20356751407135038 ~1988
203569331221415999 ~1989
20356991407139838 ~1988
20357171407143438 ~1988
20357399407147998 ~1988
20357411407148238 ~1988
20357663407153278 ~1988
20357819407156398 ~1988
20357951407159038 ~1988
20357999407159998 ~1988
20358083407161678 ~1988
203586177736274479 ~1991
20358683407173678 ~1988
20358983407179678 ~1988
203599931221599599 ~1989
1377
GIMPS The Prime Pages FactorDb.com
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24-10-27