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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.
Exp. Prime Factor Digits Year
7212253432735198 ~1986
7212323144246478 ~1985
7212719577017538 ~1986
7212791144255838 ~1985
7212791577023298
7212839144256798 ~1985
7212899144257998 ~1985
7213441432806478 ~1986
7213543721354318 ~1986
72135671154170739 ~1987
7213571577085698 ~1986
7213751144275038 ~1985
7213847577107778 ~1986
72140631875656399 ~1987
7214101432846078 ~1986
7214183144283678 ~1985
7214279144285598 ~1985
7214393432863598 ~1986
7214843144296878 ~1985
7214917432895038 ~1986
72149513607475519 ~1988
7215127721512718 ~1986
7215223721522318 ~1986
7215449577235938 ~1986
7215547721554718 ~1986
Exp. Prime Factor Digits Year
7215553432933198 ~1986
7216091577287298 ~1986
7216199144323998 ~1985
7216213432972798 ~1986
72162471298924479 ~1987
7216343144326878 ~1985
7216439144328798 ~1985
7216787577342978 ~1986
72169871154717939 ~1987
7217279144345598 ~1985
7217407721740718 ~1986
7217657433059438 ~1986
72177313031447039 ~1988
72177471732259299 ~1987
7217753433065198 ~1986
7217939144358798 ~1985
7218053433083198 ~1986
7218181433090878 ~1986
7218269577461538 ~1986
7218433433105998 ~1986
7218637433118238 ~1986
72189292743193039 ~1988
7219139144382798 ~1985
7219391144387838 ~1985
7219483721948318 ~1986
Exp. Prime Factor Digits Year
7219519721951918 ~1986
7219703144394078 ~1985
7219871577589698 ~1986
7220407722040718 ~1986
7220483144409678 ~1985
7220711144414238 ~1985
7220933433255998 ~1986
7221013433260798 ~1986
7221299144425998 ~1985
7221301433278078 ~1986
7221587577726978 ~1986
7221757433305438 ~1986
7221871722187118 ~1986
7221917433315038 ~1986
7222199577775938 ~1986
72221991733327779
7222661148786816710 ~1990
7222723722272318 ~1986
72228112311299539 ~1988
7222991144459838 ~1985
7223033433381998 ~1986
7223039144460798 ~1985
7223053433383198 ~1986
7223123144462478 ~1985
7223519144470398 ~1985
Exp. Prime Factor Digits Year
7223683722368318 ~1986
7223981577918498 ~1986
72239991733759779 ~1987
7224029577922338 ~1986
72241313612065519 ~1988
7224211722421118 ~1986
7224341433460478 ~1986
7224359144487198 ~1985
7224517433471038 ~1986
7224551144491038 ~1985
7225019144500398 ~1985
7225271144505438 ~1985
72254411156070579 ~1987
72255311156084979 ~1987
7225811144516238 ~1985
7225931144518638 ~1985
7226111144522238 ~1985
7226183144523678 ~1985
7226333433579998 ~1986
7226369578109538 ~1986
7226641433598478 ~1986
7226909195126543110 ~1990
7227013433620798 ~1986
7227967722796718 ~1986
72280931590180479 ~1987
896
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26-08-30