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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
638827791277655599 ~1992
638835173833011039 ~1993
638841231277682479 ~1992
638842813833056879 ~1993
638855391277710799 ~1992
638859111277718239 ~1992
638866311277732639 ~1992
638892111277784239 ~1992
638897391277794799 ~1992
638924631277849279 ~1992
638933631277867279 ~1992
638945991277891999 ~1992
638956973833741839 ~1993
638977911277955839 ~1992
638995333833971999 ~1993
638997231277994479 ~1992
639015831278031679 ~1992
639027711278055439 ~1992
639029631278059279 ~1992
63903769191711307110 ~1995
639039711278079439 ~1992
639048111278096239 ~1992
63906079153374589710 ~1995
639074391278148799 ~1992
63911821191735463110 ~1995
Exponent Prime Factor Digits Year
639118431278236879 ~1992
639122631278245279 ~1992
639169495113355939 ~1993
63918007370724440710 ~1996
639198111278396239 ~1992
639208191278416399 ~1992
639210831278421679 ~1992
639216775113734179 ~1993
639244075113952579 ~1993
639248773835492639 ~1993
639256396392563919 ~1994
639290573835743439 ~1993
63930949140648087910 ~1994
639324711278649439 ~1992
639329515114636099 ~1993
63938317102301307310 ~1994
63938507421994146310 ~1996
639390591278781199 ~1992
639401413836408479 ~1993
639431631278863279 ~1992
639444775115558179 ~1993
639450231278900479 ~1992
639455991278911999 ~1992
639477711278955439 ~1992
639491391278982799 ~1992
Exponent Prime Factor Digits Year
639493311278986639 ~1992
639497031278994079 ~1992
639501115116008899 ~1993
639501231279002479 ~1992
639504591279009199 ~1992
639560031279120079 ~1992
639562191279124399 ~1992
639590391279180799 ~1992
639591013837546079 ~1993
639601191279202399 ~1992
639608391279216799 ~1992
639634791279269599 ~1992
639641511279283039 ~1992
639643373837860239 ~1993
639650031279300079 ~1992
639658791279317599 ~1992
639670191279340399 ~1992
639713875117710979 ~1993
639743631279487279 ~1992
639755631279511279 ~1992
639758391279516799 ~1992
639761095118088739 ~1993
639800991279601999 ~1992
639806716398067119 ~1994
639810591279621199 ~1992
Exponent Prime Factor Digits Year
639811431279622879 ~1992
639816111279632239 ~1992
63982531102372049710 ~1994
639844911279689839 ~1992
639849711279699439 ~1992
63986497102378395310 ~1994
639898791279797599 ~1992
639948831279897679 ~1992
639963711279927439 ~1992
639966591279933199 ~1992
639979911279959839 ~1992
639992631279985279 ~1992
639995991279991999 ~1992
639996711279993439 ~1992
640009615120076899 ~1993
640011591280023199 ~1992
640032173840193039 ~1993
64004833140810632710 ~1994
640070391280140799 ~1992
6400805338404831800112 ~2000
640124933840749599 ~1993
640132911280265839 ~1992
640136391280272799 ~1992
640143831280287679 ~1992
640153311280306639 ~1992
2169
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25-04-13