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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
8029631642370498 ~1986
8029739160594798 ~1985
80298111445365999 ~1987
8029823160596478 ~1985
80298771124182799 ~1987
80302271284836339 ~1987
8030623803062318 ~1987
8030761481845678 ~1986
8031097481865838 ~1986
8031431160628638 ~1985
8031437642514978 ~1986
8031581481894878 ~1986
8031581642526498
8031587642526978 ~1986
8031641481898478 ~1986
80317731124448239 ~1987
8031787803178718 ~1987
8031833481909998 ~1986
8032001481920078 ~1986
80326911445884399 ~1987
8032967642637378 ~1986
8033021481981278 ~1986
8033243160664878 ~1985
8033471160669438 ~1985
80335915302170079 ~1989
Exp. Prime Factor Digits Year
8033951160679038 ~1985
80341138194795279 ~1989
8034263160685278 ~1985
8034373482062398 ~1986
8034671160693438 ~1985
8034781482086878 ~1986
8034821642785698 ~1986
8034839160696798 ~1985
80351293856861939 ~1988
8035337642826978 ~1986
8035733482143998 ~1986
8035799160715998 ~1985
8036279160725598 ~1985
8036531160730638 ~1985
8036711160734238 ~1985
8036939160738798 ~1985
80371871446693679 ~1987
8037269642981538 ~1986
80375691125259679 ~1987
80383432938818200911 ~1993
8038451160769038 ~1985
8038571160771438 ~1985
8038631160772638 ~1985
8038697643095778 ~1986
8039501643160098 ~1986
Exp. Prime Factor Digits Year
8039939160798798 ~1985
8040029643202338 ~1986
80400891929621379 ~1988
8040491160809838 ~1985
80406711447320799 ~1987
8040757482445438 ~1986
8040839160816798 ~1985
80413337719679699 ~1989
8041499160829998 ~1985
8041571160831438 ~1985
8041577482494638 ~1986
8041717482503038 ~1986
8042093482525598 ~1986
8042701482562078 ~1986
8042711160854238 ~1985
8042897482573838 ~1986
80431871286909939 ~1987
8043401643472098 ~1986
8043611160872238 ~1985
8043683160873678 ~1985
8043877482632638 ~1986
8043923160878478 ~1985
8043929643514338 ~1986
8044061482643678 ~1986
8044061643524898
Exp. Prime Factor Digits Year
8044079160881598 ~1985
8044103160882078 ~1985
8044259160885198 ~1985
8044331160886638 ~1985
8044559160891198 ~1985
8044703160894078 ~1985
8044877643590178 ~1986
8044931160898638 ~1985
8045153482709198 ~1986
8045183160903678 ~1985
80453813057244799 ~1988
80455091930922179 ~1988
8045657482739438 ~1986
80457011287312179 ~1987
80458571287337139 ~1987
8046013482760798 ~1986
8046023889890143910 ~1992
8046161643692898 ~1986
8046299160925998 ~1985
8046497482789838 ~1986
8047261482835678 ~1986
80473995150335379 ~1989
8048363160967278 ~1985
8048657643892578 ~1986
8048849643907938 ~1986
896
GIMPS The Prime Pages FactorDb.com
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25-04-13