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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
28809191576183838 ~1989
28809239576184798 ~1989
28809311576186238 ~1989
28809359576187198 ~1989
28809479576189598 ~1989
28809779576195598 ~1989
28810343576206878 ~1989
28811759576235198 ~1989
288122471382987856111 ~1995
28812323576246478 ~1989
28812431576248638 ~1989
28812599576251998 ~1989
28813439576268798 ~1989
28813931576278638 ~1989
288146931728881599 ~1990
28815491576309838 ~1989
28815551576311038 ~1989
28815779576315598 ~1989
28815971576319438 ~1989
28816043576320878 ~1989
28816943576338878 ~1989
28817003576340078 ~1989
288171792881717919 ~1991
288175578645267119 ~1992
28817843576356878 ~1989
Exponent Prime Factor Digits Year
28818071576361438 ~1989
28818371576367438 ~1989
28818983576379678 ~1989
288192237492997999 ~1992
288194931729169599 ~1990
28819991576399838 ~1989
288203692305629539 ~1991
28820531576410638 ~1989
28820783576415678 ~1989
288208814611340979 ~1991
28821211167163023910 ~1993
288213292305706339 ~1991
28822499576449998 ~1989
28822789639865915910 ~1994
28823051576461038 ~1989
288236112882361119 ~1991
28824143576482878 ~1989
288247696341449199 ~1992
28824791576495838 ~1989
28826183576523678 ~1989
28826351576527038 ~1989
288267171729603039 ~1990
28826879576537598 ~1989
28827983576559678 ~1989
28828199576563998 ~1989
Exponent Prime Factor Digits Year
28828259576565198 ~1989
28828571576571438 ~1989
28829231576584638 ~1989
28829459576589198 ~1989
288298372306386979 ~1991
28830071576601438 ~1989
28830083576601678 ~1989
288305392306443139 ~1991
28830671576613438 ~1989
28830731576614638 ~1989
288308211729849279 ~1990
28830911576618238 ~1989
28831079576621598 ~1989
28831931576638638 ~1989
288320714613131379 ~1991
28832711576654238 ~1989
288334011730004079 ~1990
288341811730050879 ~1990
288348599227154899 ~1992
28835879576717598 ~1989
288367931730207599 ~1990
28836887282601492710 ~1993
28836911576738238 ~1989
28837103576742078 ~1989
28837751576755038 ~1989
Exponent Prime Factor Digits Year
28838291576765838 ~1989
28839491576789838 ~1989
28839683576793678 ~1989
28839911576798238 ~1989
288399312883993119 ~1991
28840319576806398 ~1989
28840523576810478 ~1989
288406672307253379 ~1991
28840979576819598 ~1989
28841723576834478 ~1989
28841731115366924110 ~1992
288424611730547679 ~1990
28842479576849598 ~1989
28842491576849838 ~1989
288430636922335139 ~1992
288436011730616079 ~1990
28844339576886798 ~1989
28844411576888238 ~1989
288445792307566339 ~1991
288448611730691679 ~1990
28846403576928078 ~1989
28847099576941998 ~1989
28847471576949438 ~1989
28847783576955678 ~1989
28847891576957838 ~1989
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25-05-04