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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
215361471722891779 ~1990
21536159430723198 ~1988
21536759430735198 ~1988
21536771430735438 ~1988
21537479430749598 ~1988
215374971292249839 ~1989
215375771292254639 ~1989
21537863430757278 ~1988
21538091430761838 ~1988
21538151430763038 ~1988
215384211292305279 ~1989
21538859430777198 ~1988
21538871430777438 ~1988
21539363430787278 ~1988
21539471430789438 ~1988
21540023430800478 ~1988
21540059430801198 ~1988
21540203430804078 ~1988
21540611430812238 ~1988
21540731430814638 ~1988
215407311723258499
215414771292488639 ~1989
215418432154184319 ~1990
21542063430841278 ~1988
21542231430844638 ~1988
Exponent Prime Factor Digits Year
215428791723430339 ~1990
215432112154321119 ~1990
21543443430868878 ~1988
21543803430876078 ~1988
21544751430895038 ~1988
215452032154520319 ~1990
21545351430907038 ~1988
21545663430913278 ~1988
215458336463749919 ~1991
21546383430927678 ~1988
21546851430937038 ~1988
215472593878506639 ~1991
215473971723791779 ~1990
21547439430948798 ~1988
21547583430951678 ~1988
215477511723820099 ~1990
21547931430958638 ~1988
21548291430965838 ~1988
21548399430967998 ~1988
215485075171641699 ~1991
21548531430970638 ~1988
21548963430979278 ~1988
215492991723943939 ~1990
21549611430992238 ~1988
21549623430992478 ~1988
Exponent Prime Factor Digits Year
21549719430994398 ~1988
215498776464963119 ~1991
215499011292994079 ~1989
21550043431000878 ~1988
21550079431001598 ~1988
215504571724036579 ~1990
21550811431016238 ~1988
21551171431023438 ~1988
215513171293079039 ~1989
21551423431028478 ~1988
21551459431029198 ~1988
215515915603413679 ~1991
21551819431036398 ~1988
21551951431039038 ~1988
215520312155203119 ~1990
21552143431042878 ~1988
215533611724268899 ~1990
21553379431067598 ~1988
21553643431072878 ~1988
21554111431082238 ~1988
215546296466388719 ~1991
21554651431093038 ~1988
21554723431094478 ~1988
215548491724387939 ~1990
21557099431141998 ~1988
Exponent Prime Factor Digits Year
21557531431150638 ~1988
215577371293464239 ~1989
21557843431156878 ~1988
21558143431162878 ~1988
215588811724710499 ~1990
21559019431180398 ~1988
215590611293543679 ~1989
215590993880637839 ~1991
21559871431197438 ~1988
21559883431197678 ~1988
21560351431207038 ~1988
21561443431228878 ~1988
21561503431230078 ~1988
21562031431240638 ~1988
21562259431245198 ~1988
21562439172499512110 ~1992
21562559431251198 ~1988
21563099431261998 ~1988
215632371293794239 ~1989
215632371725058979
215634131293804799 ~1989
215642171293853039 ~1989
21565091431301838 ~1988
21565319431306398 ~1988
215654592156545919 ~1990
1465
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25-04-13