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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
25224911504498238 ~1989
25224971504499438 ~1989
25225019504500398 ~1989
25225463504509278 ~1989
25225523504510478 ~1989
25225643504512878 ~1989
25225691504513838 ~1989
25225703504514078 ~1989
25225919504518398 ~1989
25226483504529678 ~1989
25227731504554638 ~1989
25228403504568078 ~1989
25229111504582238 ~1989
25229279504585598 ~1989
25229471504589438 ~1989
252298811513792879 ~1990
252301971513811839 ~1990
25230239504604798 ~1989
252302531513815199 ~1990
25230323504606478 ~1989
25231091504621838 ~1989
252311811513870879 ~1990
25231331504626638 ~1989
25231403504628078 ~1989
25231499504629998 ~1989
Exponent Prime Factor Digits Year
252316031251487508911 ~1995
25231631504632638 ~1989
252316811513900879 ~1990
25232939504658798 ~1989
252330531513983199 ~1990
252332693532657679 ~1991
25233419504668398 ~1989
25233479504669598 ~1989
25234141242247753710 ~1993
25234343504686878 ~1989
25234523504690478 ~1989
252348773532882799 ~1991
25234931504698638 ~1989
252351011514106079 ~1990
25235183504703678 ~1989
25235219504704398 ~1989
252352192018817539
252356592523565919 ~1990
25235783504715678 ~1989
252359897570796719 ~1992
25236059504721198 ~1989
25236671504733438 ~1989
25236779504735598 ~1989
25236839504736798 ~1989
252370331514221999 ~1990
Exponent Prime Factor Digits Year
25237631504752638 ~1989
25237763504755278 ~1989
252378892019031139 ~1990
252382371514294239 ~1990
25239479504789598 ~1989
25239563504791278 ~1989
252397371514384239 ~1990
252399712019197699 ~1990
25240703504814078 ~1989
252407571514445439 ~1990
25241483504829678 ~1989
25241521116110996710 ~1992
25241543504830878 ~1989
25241831504836638 ~1989
25242083504841678 ~1989
25242131504842638 ~1989
25242359504847198 ~1989
25243271504865438 ~1989
25243391504867838 ~1989
25243643504872878 ~1989
25244003504880078 ~1989
25244111504882238 ~1989
25244651126223255110 ~1992
252453074544155279 ~1991
25245431504908638 ~1989
Exponent Prime Factor Digits Year
25245491504909838 ~1989
252456371514738239 ~1990
25245659504913198 ~1989
25246271504925438 ~1989
252465771514794639 ~1990
25246811504936238 ~1989
25246883504937678 ~1989
25247003504940078 ~1989
25247231504944638 ~1989
25247591504951838 ~1989
252477011514862079 ~1990
25248059504961198 ~1989
252490731514944399 ~1990
252491171514947039 ~1990
25249859504997198 ~1989
25249979504999598 ~1989
25250063505001278 ~1989
25250579505011598 ~1989
25253411505068238 ~1989
25253843505076878 ~1989
25254143505082878 ~1989
252545211515271279 ~1990
25254959505099198 ~1989
25254959121223803310
25255271505105438 ~1989
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