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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
28622651572453038 ~1989
28622771572455438 ~1989
28622831572456638 ~1989
286229812289838499 ~1991
28623071572461438 ~1989
28623599572471998 ~1989
28624031572480638 ~1989
286240315152325599
28624451572489038 ~1989
28624619572492398 ~1989
28624859572497198 ~1989
286249011717494079 ~1990
28625111572502238 ~1989
286253275152558879 ~1992
28625879572517598 ~1989
28625939572518798 ~1989
28625963572519278 ~1989
28626443572528878 ~1989
28626599572531998 ~1989
286266799733070879 ~1992
28626791572535838 ~1989
28626803572536078 ~1989
28627199572543998 ~1989
28627199120234235910
286276312290210499 ~1991
Exponent Prime Factor Digits Year
28627691572553838 ~1989
28628219572564398 ~1989
28628471572569438 ~1989
28628591572571838 ~1989
28629299572585998 ~1989
286293472290347779 ~1991
28630139572602798 ~1989
28630799572615998 ~1989
286309392863093919 ~1991
28631171572623438 ~1989
286312371717874239 ~1990
28631663120252984710 ~1992
28631663188968975910
28632143572642878 ~1989
28632203572644078 ~1989
28633043572660878 ~1989
28633331572666638 ~1989
28633679572673598 ~1989
28633751572675038 ~1989
28633799572675998 ~1989
28634423572688478 ~1989
28634531572690638 ~1989
286346934008857039 ~1991
28634951572699038 ~1989
286349812290798499 ~1991
Exponent Prime Factor Digits Year
28635059572701198 ~1989
28635923572718478 ~1989
286362136872691139 ~1992
28636259572725198 ~1989
28636703572734078 ~1989
286373872290990979 ~1991
28637879572757598 ~1989
286381915154874399 ~1992
28638359572767198 ~1989
28638383572767678 ~1989
28638419572768398 ~1989
28638503572770078 ~1989
28639223572784478 ~1989
286393371718360239 ~1990
28639571572791438 ~1989
28639931572798638 ~1989
286401192864011919 ~1991
28640663572813278 ~1989
28641419572828398 ~1989
28642151572843038 ~1989
28642583572851678 ~1989
28642811572856238 ~1989
286428292291426339 ~1991
28642871572857438 ~1989
286428837447149599 ~1992
Exponent Prime Factor Digits Year
28642931572858638 ~1989
28642979572859598 ~1989
286429938592897919 ~1992
28643711572874238 ~1989
286438012291504099 ~1991
28643819572876398 ~1989
28643999572879998 ~1989
286440731718644399 ~1990
286447696874744579 ~1992
286459371718756239 ~1990
28646099572921998 ~1989
286463812291710499 ~1991
28646483572929678 ~1989
28646531572930638 ~1989
28646539183337849710 ~1993
28647011572940238 ~1989
28647623572952478 ~1989
286480972291847779 ~1991
286481571718889439 ~1990
28648199572963998 ~1989
28648439572968798 ~1989
28648457727670807910 ~1994
28648871572977438 ~1989
286488771718932639 ~1990
28649111572982238 ~1989
1699
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25-06-08