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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
12856703257134078 ~1986
128567571799945999 ~1989
12856859257137198 ~1986
12857843257156878 ~1986
128580171028641379 ~1988
12858743257174878 ~1986
128588473086123299 ~1989
128589293857678719 ~1989
12858971257179438 ~1986
12859211257184238 ~1986
12860051257201038 ~1986
12860363257207278 ~1986
128604591028836739 ~1988
12860501771630078 ~1988
128605971028847779 ~1988
12860723257214478 ~1986
12860759257215198 ~1986
12860819257216398 ~1986
128612271028898179 ~1988
12861281771676878 ~1988
128613791286137919 ~1988
128615172057842739 ~1989
12861743257234878 ~1986
128623014887674399 ~1990
12862823257256478 ~1986
Exponent Prime Factor Digits Year
12862901771774078 ~1988
12863297771797838 ~1988
12863723257274478 ~1986
128639273344621039 ~1989
12864191257283838 ~1986
12864541771872478 ~1988
12864623257292478 ~1986
128653099263022499 ~1990
12866219257324398 ~1986
12866351257327038 ~1986
128668031286680319 ~1988
12866831257336638 ~1986
12866873772012398 ~1988
128669391029355139 ~1988
12867059257341198 ~1986
128672232058755699 ~1989
12867311257346238 ~1986
12867443257348878 ~1986
12867611257352238 ~1986
12867719257354398 ~1986
12867779257355598 ~1986
128677791029422339
128678391029427139 ~1988
12868319257366398 ~1986
12868343257366878 ~1986
Exponent Prime Factor Digits Year
12868463257369278 ~1986
128689911029519299 ~1988
12869413772164798 ~1988
128695671029565379 ~1988
128699334118378579 ~1989
128700791287007919 ~1988
12870541772232478 ~1988
12870899257417998 ~1986
12870971257419438 ~1986
12871451257429038 ~1986
12871583257431678 ~1986
12871613772296798 ~1988
128716311029730499 ~1988
128717511029740099 ~1988
12872003257440078 ~1986
12872039257440798 ~1986
12872423257448478 ~1986
12872933772375998 ~1988
12873041772382478 ~1988
12873083257461678 ~1986
12873197110709494310 ~1991
12873551257471038 ~1986
12873803257476078 ~1986
12874223257484478 ~1986
128742233089813539
Exponent Prime Factor Digits Year
128743271287432719 ~1988
12875003257500078 ~1986
128751291802518079 ~1989
128754972060079539 ~1989
12875771257515438 ~1986
12875903257518078 ~1986
12876161772569678 ~1988
12876179257523598 ~1986
12876491257529838 ~1986
12876659257533198 ~1986
128769531802773439 ~1989
12877223257544478 ~1986
12877379257547598 ~1986
12877703257554078 ~1986
12877883257557678 ~1986
12878111257562238 ~1986
12878483257569678 ~1986
12879239257584798 ~1986
12879623257592478 ~1986
12880151257603038 ~1986
128805231422009739311 ~1993
12880691257613838 ~1986
12880919257618398 ~1986
12881171257623438 ~1986
128812991288129919 ~1988
1145
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25-04-13