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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
28714859574297198 ~1989
28715087160804487310 ~1993
28715471574309438 ~1989
28715699574313998 ~1989
28717499574349998 ~1989
287178611723071679 ~1990
28717943574358878 ~1989
287186992297495939 ~1991
28718759574375198 ~1989
287189531723137199 ~1990
28719059574381198 ~1989
287199792871997919 ~1991
28720091574401838 ~1989
28720379574407598 ~1989
28720931574418638 ~1989
28721039574420798 ~1989
28721519574430398 ~1989
28723559574471198 ~1989
28723703574474078 ~1989
28723811574476238 ~1989
28723823574476478 ~1989
28724603574492078 ~1989
28724639574492798 ~1989
28724831574496638 ~1989
287249572297996579 ~1991
Exponent Prime Factor Digits Year
28725227137881089710 ~1993
28725491574509838 ~1989
287256112298048899 ~1991
28725709499827336710 ~1994
28725803574516078 ~1989
28726151574523038 ~1989
28726163574523278 ~1989
28727459574549198 ~1989
28727519574550398 ~1989
28727903574558078 ~1989
28728071574561438 ~1989
287289412298315299 ~1991
287290971723745839 ~1990
28729271574585438 ~1989
287302972413344948111 ~1996
28730951574619038 ~1989
28731299574625998 ~1989
28731359574627198 ~1989
28732139574642798 ~1989
28732271574645438 ~1989
287324114597185779 ~1991
28732523574650478 ~1989
28732559574651198 ~1989
28732871574657438 ~1989
287332195171979439 ~1992
Exponent Prime Factor Digits Year
28733231574664638 ~1989
287334011724004079 ~1990
287337172298697379 ~1991
28733759574675198 ~1989
28733891574677838 ~1989
28734059574681198 ~1989
28734119574682398 ~1989
287343675172186079 ~1992
28735319574706398 ~1989
28735463574709278 ~1989
287355294022974079 ~1991
28736399574727998 ~1989
28736699574733998 ~1989
287368371724210220111 ~1995
28737239574744798 ~1989
28737251574745038 ~1989
28737323574746478 ~1989
28737431574748638 ~1989
287375595172760639 ~1992
287376771724260639 ~1990
287376772299014179
287377492299019939 ~1991
287382611724295679 ~1990
28738351114953404110 ~1992
28738403574768078 ~1989
Exponent Prime Factor Digits Year
28738571574771438 ~1989
28739003574780078 ~1989
28739089114956356110 ~1992
28739363574787278 ~1989
28739471574789438 ~1989
28739591574791838 ~1989
28739999574799998 ~1989
28740011574800238 ~1989
28740311574806238 ~1989
287406371724438239 ~1990
28741379574827598 ~1989
28741631574832638 ~1989
28742243574844878 ~1989
28742711574854238 ~1989
28742723574854478 ~1989
28742951574859038 ~1989
28743359574867198 ~1989
28743983574879678 ~1989
28744343574886878 ~1989
28744619574892398 ~1989
28744823574896478 ~1989
287449931724699599 ~1990
28745219574904398 ~1989
28745231574904638 ~1989
28745471574909438 ~1989
1631
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24-10-27