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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.
Exp. Prime Factor Digits Year
287765957553197 ~1981
28776594143828979
28776613395639999 ~1986
287777957555597 ~1981
2877817172669038 ~1983
2877841460454578 ~1984
2877929402910078 ~1983
2877937172676238 ~1983
2878147287814718 ~1983
2878303287830318 ~1983
2878333172699998 ~1983
2878409230272738 ~1983
287845157569037 ~1981
2878573633286078 ~1984
2878591460574578 ~1984
2878699287869918 ~1983
2878783978786238 ~1984
2879299287929918 ~1983
2879351748631278 ~1984
2879447230355778 ~1983
287969957593997 ~1981
287975957595197 ~1981
2879759691142178
287977157595437 ~1981
28797914838048899 ~1986
Exp. Prime Factor Digits Year
287984357596877 ~1981
287987957597597 ~1981
2879999230399938 ~1983
2880173172810398 ~1983
2880173403224238
2880281230422498 ~1983
2880433172825998 ~1983
2880461172827678 ~1983
288071957614397 ~1981
2880739518533038 ~1984
2881009691442178 ~1984
2881031749068078 ~1984
28811171325313839 ~1985
288137957627597 ~1981
2881513461042098 ~1984
2881547691571298 ~1984
2881861172911678 ~1983
2881937172916238 ~1983
2881937403471198
2881943922221778 ~1984
288230357646077 ~1981
28823512305880819 ~1985
2882489230599138 ~1983
2882501172950078 ~1983
288254357650877 ~1981
Exp. Prime Factor Digits Year
2882603922432978 ~1984
2882717691852098 ~1984
2882771518898798 ~1984
2882777864833118 ~1984
2882897172973838 ~1983
2883007288300718 ~1983
288301157660237 ~1981
288305957661197 ~1981
288307157661437 ~1981
288314357662877 ~1981
2883187288318718 ~1983
288337157667437 ~1981
28835932941264879 ~1986
2883773173026398 ~1983
28839835537247379 ~1986
2884073173044398 ~1983
28841171153646819 ~1985
288416357683277 ~1981
2884267461482738 ~1984
2884289113064128910 ~1987
2884547230763778 ~1983
288457157691437 ~1981
288469157693837 ~1981
2884733173083998 ~1983
2884733403862638
Exp. Prime Factor Digits Year
2884753461560498 ~1984
2884933461589298 ~1984
2885021173101278 ~1983
2885209634745998 ~1984
288521957704397 ~1981
288524357704877 ~1981
288527957705597 ~1981
28853413404702399 ~1986
2885431288543118 ~1983
28854311154172419
2885497692519298 ~1984
28855911211948239 ~1985
2885599288559918 ~1983
2885713634856878 ~1984
288578357715677 ~1981
2885893173153598 ~1983
2885947288594718 ~1983
2885977173158638 ~1983
288608357721677 ~1981
2886161230892898 ~1983
2886251923600338 ~1984
288626357725277 ~1981
28862638543338499
2886419256891291110 ~1988
2886487519567678 ~1984
486
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25-06-01