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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
24877943497558878 ~1989
24878159497563198 ~1989
24878459497569198 ~1989
248787735970905539 ~1991
248796011492776079 ~1990
24880151497603038 ~1989
248806076468957839 ~1991
248816112488161119 ~1990
24881771497635438 ~1989
248820173483482399 ~1991
248821735971721539 ~1991
24882443497648878 ~1989
248825411492952479 ~1990
248827211492963279 ~1990
24882839497656798 ~1989
24883403497668078 ~1989
248836977465109119 ~1992
24884819497696398 ~1989
24885083497701678 ~1989
248853615474779439 ~1991
24885803497716078 ~1989
24885851497717038 ~1989
24886919497738398 ~1989
248869211493215279 ~1990
248870211493221279 ~1990
Exponent Prime Factor Digits Year
248872272488722719 ~1990
24887231497744638 ~1989
24887279497745598 ~1989
248874073981985139 ~1991
24887519497750398 ~1989
248878337466349919 ~1992
24887903497758078 ~1989
24888203497764078 ~1989
24888491497769838 ~1989
24888683497773678 ~1989
24889391497787838 ~1989
248894411493366479 ~1990
24889499497789998 ~1989
248894991991159939
24889619497792398 ~1989
24889919497798398 ~1989
24890291497805838 ~1989
24890819497816398 ~1989
24890891497817838 ~1989
24890951497819038 ~1989
24891143497822878 ~1989
24891239497824798 ~1989
24891299497825998 ~1989
24891563497831278 ~1989
24891959497839198 ~1989
Exponent Prime Factor Digits Year
248920575974093699 ~1991
24892079497841598 ~1989
24892691497853838 ~1989
24892943497858878 ~1989
24893399497867998 ~1989
2489346712033501947912 ~1997
24894263497885278 ~1989
24895163497903278 ~1989
248953973485355599 ~1991
24895631497912638 ~1989
248960171493761039 ~1990
24896303497926078 ~1989
24896519497930398 ~1989
24896639497932798 ~1989
24897539497950798 ~1989
248988799959551619 ~1992
24899051497981038 ~1989
24899183497983678 ~1989
249005211494031279 ~1990
249008931494053599 ~1990
249024891992199139 ~1990
24902833114553031910 ~1992
249029211992233699 ~1990
249029472490294719 ~1990
249032091992256739 ~1990
Exponent Prime Factor Digits Year
24903383498067678 ~1989
24903743498074878 ~1989
24903839498076798 ~1989
24903863498077278 ~1989
249039615478871439 ~1991
24904349552876547910 ~1994
24904559498091198 ~1989
24904619498092398 ~1989
24904703498094078 ~1989
24904739498094798 ~1989
24905123498102478 ~1989
249055373486775199 ~1991
24907163498143278 ~1989
249078015479716239 ~1991
24908063498161278 ~1989
24908231498164638 ~1989
24908951498179038 ~1989
24909971498199438 ~1989
249099792490997919 ~1990
24910163498203278 ~1989
24910283498205678 ~1989
249105535978532739 ~1991
24911279498225598 ~1989
24911531498230638 ~1989
24911543498230878 ~1989
1607
GIMPS The Prime Pages FactorDb.com
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25-08-20