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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
8339339166786798 ~1985
8339657500379438 ~1986
8339657667172578
8339677500380638 ~1986
8339711166794238 ~1985
83397111501147999
83399093169165439 ~1988
8340119166802398 ~1985
8340533500431998 ~1986
8340817500449038 ~1986
8340851166817038 ~1985
8340911166818238 ~1985
83411871501413679 ~1987
8341397667311778 ~1987
8341451166829038 ~1985
8341499166829998 ~1985
8341523166830478 ~1985
8341601500496078 ~1986
8341657500499438 ~1986
8342051166841038 ~1985
8342303166846078 ~1985
8342519667401538 ~1987
8342759166855198 ~1985
83427791501700239 ~1987
8342839834283918 ~1987
Exp. Prime Factor Digits Year
83428572002285699 ~1988
8342861667428898 ~1987
8343037500582238 ~1986
8343059166861198 ~1985
8343239166864798 ~1985
8343373500602398 ~1986
8343383166867678 ~1985
8343407667472578 ~1987
8343899166877998 ~1985
8343899667511938
8344157667532578 ~1987
8344621500677278 ~1986
8344631166892638 ~1985
8344681500680878 ~1986
8344799166895998 ~1985
8344811166896238 ~1985
8345101500706078 ~1986
8345171166903438 ~1985
8345279166905598 ~1985
8345321667625698 ~1987
8345377500722638 ~1986
8345399166907998 ~1985
83454232670535379 ~1988
8345651166913038 ~1985
8345723166914478 ~1985
Exp. Prime Factor Digits Year
83458916009041539 ~1989
8345951166919038 ~1985
8346227667698178 ~1987
83463531168489439 ~1987
8346647667731778 ~1987
8346713500802798 ~1986
8346761667740898 ~1987
8346839166936798 ~1985
8347007667760578 ~1987
8347151166943038 ~1985
8347271166945438 ~1985
83473096510901039 ~1989
8347309218699495910
8347511166950238 ~1985
8347523166950478 ~1985
8347721667817698 ~1987
8347741500864478 ~1986
8347817500869038 ~1986
8348159667852738 ~1987
8348177500890638 ~1986
8348423166968478 ~1985
8348477667878178 ~1987
83485331335765299 ~1987
8348843166976878 ~1985
8348981500938878 ~1986
Exp. Prime Factor Digits Year
8348993500939598 ~1986
8349119667929538 ~1987
8349251667940098 ~1987
8349269667941538 ~1987
8349359166987198 ~1985
8349557500973438 ~1986
8349701500982078 ~1986
8349707667976578 ~1987
8350037668002978 ~1987
8350099554446573710 ~1991
8350103167002078 ~1985
8350151167003038 ~1985
8350613501036798 ~1986
8350739167014798 ~1985
8350763167015278 ~1985
8351099167021998 ~1985
83515979186756719 ~1989
8351699167033998 ~1985
8351747668139778 ~1987
8351807668144578 ~1987
8351891167037838 ~1985
8351939167038798 ~1985
8352089668167138 ~1987
83520892004501379
8352173501130398 ~1986
953
GIMPS The Prime Pages FactorDb.com
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26-02-08