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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
9118691182373838 ~1985
9118979182379598 ~1985
91191531276681439 ~1987
91192031459072499 ~1988
9119219182384398 ~1985
9119417547165038 ~1987
9119699182393998 ~1985
9119783182395678 ~1985
9119941547196478 ~1987
9119951729596098 ~1987
9120011182400238 ~1985
9120073547204398 ~1987
9120101547206078 ~1987
9120119182402398 ~1985
9120203182404078 ~1985
9120263182405278 ~1985
91204872188916899 ~1988
9120563182411278 ~1985
9120803182416078 ~1985
9121043182420878 ~1985
9121523182430478 ~1985
9122021547321278 ~1987
9122077547324638 ~1987
91220831459533299 ~1988
9122161547329678 ~1987
Exp. Prime Factor Digits Year
9122279182445598 ~1985
91223892189373379 ~1988
9122759729820738 ~1987
9123031912303118 ~1987
91234694379265139 ~1989
9123659182473198 ~1985
91237216348285071911 ~1994
9124001547440078 ~1987
9124277729942178 ~1987
9124331182486638 ~1985
9124463182489278 ~1985
9125113547506798 ~1987
9125279182505598 ~1985
9125323912532318 ~1987
9125351182507038 ~1985
9125497547529838 ~1987
9125581547534878 ~1987
9125639182512798 ~1985
9125771182515438 ~1985
9126011182520238 ~1985
9126287730102978 ~1987
9126361547581678 ~1987
91265114380725299 ~1989
9126571912657118 ~1987
9126659730132738 ~1987
Exp. Prime Factor Digits Year
9126787912678718 ~1987
9127043182540878 ~1985
9127091182541838 ~1985
9127091730167298
91272132190531139 ~1988
9127291912729118 ~1987
9127463182549278 ~1985
9127523182550478 ~1985
9127537547652238 ~1987
9127627912762718 ~1987
91276331460421299 ~1988
91276372190632899 ~1988
9127787730222978 ~1987
9127817547669038 ~1987
91279572738387119 ~1988
91280878762963539 ~1989
9128377547702638 ~1987
9128501547710078 ~1987
9128579182571598 ~1985
9128579730286338
9128653547719198 ~1987
9128681547720878 ~1987
9128681730294498
9128737547724238 ~1987
9128831730306498 ~1987
Exp. Prime Factor Digits Year
91289574381899379 ~1989
9129013547740798 ~1987
9129023182580478 ~1985
9129151912915118 ~1987
9129293547757598 ~1987
9129299182585998 ~1985
9129739912973918 ~1987
9129773547786398 ~1987
9129893547793598 ~1987
9129959182599198 ~1985
9130019730401538 ~1987
9130031182600638 ~1985
9130067730405378 ~1987
9130117547807038 ~1987
9130217547813038 ~1987
9130463182609278 ~1985
9130657547839438 ~1987
9130799182615998 ~1985
9130841547850478 ~1987
9131123182622478 ~1985
9131231182624638 ~1985
9131237547874238 ~1987
9131399182627998 ~1985
9131543182630878 ~1985
9131579182631598 ~1985
998
GIMPS The Prime Pages FactorDb.com
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25-12-14