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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
438649373509194979 ~1992
438652732631916399 ~1992
43865483877309678 ~1991
43865999877319998 ~1991
43866659877333198 ~1991
43866671877333438 ~1991
43867319877346398 ~1991
43867669210564811310 ~1994
43867823877356478 ~1991
43868171877363438 ~1991
43868243877364878 ~1991
438692273509538179 ~1992
438694812632168879 ~1992
438700673509605379 ~1992
43870091877401838 ~1991
43871423877428478 ~1991
438728332632369999 ~1992
43873499877469998 ~1991
43874279877485598 ~1991
43876979877539598 ~1991
43877579877551598 ~1991
438784332632705999 ~1992
438785572632713439 ~1992
43879019877580398 ~1991
43879631877592638 ~1991
Exponent Prime Factor Digits Year
438809532632857199 ~1992
43881599877631998 ~1991
438828012632968079 ~1992
438856932633141599 ~1992
43885799877715998 ~1991
43885883877717678 ~1991
43888133377437943910 ~1995
43888391877767838 ~1991
438885012633310079 ~1992
43888739877774798 ~1991
438888113511104899 ~1992
438895673511165379 ~1992
438937132633622799 ~1992
438940913511527299 ~1992
43894523877890478 ~1991
43895123877902478 ~1991
43895459877909198 ~1991
43896383105351319310 ~1993
43896551877931038 ~1991
43897523877950478 ~1991
43898171877963438 ~1991
43898279877965598 ~1991
43902263878045278 ~1991
43902623878052478 ~1991
43904291878085838 ~1991
Exponent Prime Factor Digits Year
439046397902835039 ~1993
439050113512400899 ~1992
43905131878102638 ~1991
439051612634309679 ~1992
439056074390560719 ~1992
43905863878117278 ~1991
439078812634472879 ~1992
43908983878179678 ~1991
43909571878191438 ~1991
43909979878199598 ~1991
43910183878203678 ~1991
439102132634612799 ~1992
43911949105388677710 ~1993
43912019878240398 ~1991
43913939878278798 ~1991
439145397904617039 ~1993
43916843878336878 ~1991
439212713513701699 ~1992
43921919878438398 ~1991
43922363878447278 ~1991
43922639878452798 ~1991
43922771878455438 ~1991
439231193513849539 ~1992
43924151878483038 ~1991
439242012635452079 ~1992
Exponent Prime Factor Digits Year
439245674392456719 ~1992
43925723878514478 ~1991
43926203878524078 ~1991
43927391878547838 ~1991
43927571878551438 ~1991
43927931878558638 ~1991
43928711878574238 ~1991
439287713514301699 ~1992
439293137028690099 ~1993
43929383878587678 ~1991
43929731878594638 ~1991
43930343878606878 ~1991
43931039878620798 ~1991
43931851465677620710 ~1995
43933733140587945710 ~1994
439341532636049199 ~1992
439344173514753379 ~1992
43934459878689198 ~1991
439344914393449119 ~1992
43935659878713198 ~1991
439359713514877699 ~1992
43936973764503330310 ~1995
43939993131819979110 ~1994
43940063878801278 ~1991
43940411878808238 ~1991
1972
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25-05-04