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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
201649311613194499 ~1989
201651411209908479 ~1989
20165231403304638 ~1988
20165339403306798 ~1988
201656472016564719 ~1990
20165819403316398 ~1988
201658578066342819 ~1991
20166143403322878 ~1988
20166851403337038 ~1988
20166959403339198 ~1988
201670096050102719 ~1991
20167079403341598 ~1988
20167211403344238 ~1988
201672835243493599 ~1991
20167523403350478 ~1988
20167643403352878 ~1988
20167799403355998 ~1988
20167811403356238 ~1988
201678531210071199 ~1989
20168051403361038 ~1988
20168279403365598 ~1988
20168303403366078 ~1988
20168411403368238 ~1988
20169419403388398 ~1988
20169503403390078 ~1988
Exponent Prime Factor Digits Year
20170499403409998 ~1988
20170511403410238 ~1988
201712331210273999 ~1989
20171279403425598 ~1988
20171351403427038 ~1988
20171603403432078 ~1988
20171699403433998 ~1988
20171951403439038 ~1988
20172419403448398 ~1988
201726411210358479 ~1989
20172683403453678 ~1988
20172731403454638 ~1988
20173799403475998 ~1988
201738731210432399 ~1989
201739992017399919 ~1990
20174039403480798 ~1988
20174411403488238 ~1988
20175371403507438 ~1988
201753772824552799 ~1990
20175671403513438 ~1988
20175983403519678 ~1988
20176391403527838 ~1988
201766211210597279 ~1989
201770211614161699 ~1989
201771777667327279 ~1991
Exponent Prime Factor Digits Year
20177231403544638 ~1988
201773294439012399 ~1991
20177999403559998 ~1988
20178299403565998 ~1988
20178479403569598 ~1988
201789711614317699 ~1989
201792411614339299 ~1989
20179343403586878 ~1988
201796371614370979 ~1989
20180123403602478 ~1988
20180399403607998 ~1988
201807591614460739 ~1989
201809331210855999 ~1989
201810531210863199 ~1989
20181191403623838 ~1988
201815234843565539 ~1991
20181803403636078 ~1988
201821634843719139 ~1991
201828312018283119 ~1990
201829071614632579 ~1989
201830211614641699 ~1989
20183651403673038 ~1988
20183699403673998 ~1988
20184299403685998 ~1988
201843371211060239 ~1989
Exponent Prime Factor Digits Year
201843971211063839 ~1989
20184683403693678 ~1988
201847331211083999 ~1989
201847671614781379 ~1989
20184863403697278 ~1988
20184959403699198 ~1988
20185199403703998 ~1988
20185523403710478 ~1988
20185751403715038 ~1988
201858611211151679 ~1989
20186339403726798 ~1988
20186339258385139310
20186951403739038 ~1988
20187071403741438 ~1988
201875712018757119 ~1990
20187659403753198 ~1988
20187911403758238 ~1988
20188613290716027310 ~1993
20188631403772638 ~1988
20188823403776478 ~1988
20189111403782238 ~1988
20189399403787998 ~1988
20189831403796638 ~1988
20189891403797838 ~1988
201902991615223939 ~1989
1419
GIMPS The Prime Pages FactorDb.com
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25-04-13