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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
39325037314600296110 ~1994
39326351786527038 ~1990
39326411786528238 ~1990
39326543786530878 ~1990
39327419786548398 ~1990
393279913932799119 ~1992
39329651786593038 ~1990
393302335506232639 ~1992
39330383786607678 ~1990
39330419786608398 ~1990
393306012359836079 ~1991
39331139786622798 ~1990
393313932359883599 ~1991
39331559786631198 ~1990
39334343786686878 ~1990
39335039786700798 ~1990
393360413146883299 ~1992
39336239786724798 ~1990
393372675286928684911 ~1997
393385036294160499 ~1993
39339143786782878 ~1990
393391633933916319 ~1992
393411773147294179 ~1992
393416332360497999 ~1991
393421613147372899 ~1992
Exponent Prime Factor Digits Year
39342731786854638 ~1990
39342791786855838 ~1990
39342851786857038 ~1990
393434898655567599 ~1993
39343571786871438 ~1990
39344629346232735310 ~1994
39344771786895438 ~1990
39348119786962398 ~1990
39348671786973438 ~1990
393487332360923999 ~1991
39348989118046967110 ~1993
393491538656813679 ~1993
39349379786987598 ~1990
39350123787002478 ~1990
39350879787017598 ~1990
39351563787031278 ~1990
39351899787037998 ~1990
393530572361183439 ~1991
39353339787066798 ~1990
39356279787125598 ~1990
39357203787144078 ~1990
393578093148624739 ~1992
39358619787172398 ~1990
39359783787195678 ~1990
393603132361618799 ~1991
Exponent Prime Factor Digits Year
393623693148989539 ~1992
393630136298082099 ~1993
393631399447153379 ~1993
39364657157458628110 ~1994
39366251787325038 ~1990
393673313149386499 ~1992
39367511787350238 ~1990
39369371787387438 ~1990
39369839787396798 ~1990
39370931787418638 ~1990
39373391787467838 ~1990
39373403787468078 ~1990
39373811787476238 ~1990
39376283787525678 ~1990
39377339787546798 ~1990
393773693150189539 ~1992
39378263787565278 ~1990
39378359787567198 ~1990
39380879787617598 ~1990
39381731787634638 ~1990
39382439787648798 ~1990
39382859787657198 ~1990
39383639787672798 ~1990
393846293150770339 ~1992
39384791787695838 ~1990
Exponent Prime Factor Digits Year
39384959787699198 ~1990
393850613150804899 ~1992
393878539453084739 ~1993
39388379858666662310 ~1995
393887517089975199 ~1993
39388763787775278 ~1990
39390563787811278 ~1990
39391223787824478 ~1990
39392159787843198 ~1990
393924593151396739 ~1992
39392543787850878 ~1990
39393899787877998 ~1990
393964071355236400911 ~1996
39396683787933678 ~1990
39399263787985278 ~1990
39400799788015998 ~1990
394013879456332899 ~1993
39401423788028478 ~1990
39402263788045278 ~1990
39402563788051278 ~1990
39403811788076238 ~1990
394046213152369699 ~1992
39404639788092798 ~1990
39405323788106478 ~1990
394060332364361999 ~1991
2028
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25-12-14