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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
7223123144462478 ~1985
7223519144470398 ~1985
7223683722368318 ~1986
7223981577918498 ~1986
72239991733759779 ~1987
7224029577922338 ~1986
72241313612065519 ~1988
7224211722421118 ~1986
7224341433460478 ~1986
7224359144487198 ~1985
7224517433471038 ~1986
7224551144491038 ~1985
7225019144500398 ~1985
7225271144505438 ~1985
72254411156070579 ~1987
72255311156084979 ~1987
7225811144516238 ~1985
7225931144518638 ~1985
7226111144522238 ~1985
7226183144523678 ~1985
7226333433579998 ~1986
7226369578109538 ~1986
7226641433598478 ~1986
7226909195126543110 ~1990
7227013433620798 ~1986
Exp. Prime Factor Digits Year
7227967722796718 ~1986
72280931590180479 ~1987
7228211144564238 ~1985
7228483722848318 ~1986
7228631144572638 ~1985
7228691144573838 ~1985
7228703144574078 ~1985
7228811578304898 ~1986
7228913433734798 ~1986
7228943144578878 ~1985
7228979144579598 ~1985
7228981433738878 ~1986
7229011722901118 ~1986
7229219144584398 ~1985
7229581433774878 ~1986
7229857433791438 ~1986
7229951144599038 ~1985
7230071144601438 ~1985
7230131144602638 ~1985
72301311301423599
7230199723019918 ~1986
7230277779423860710 ~1991
7230479578438338 ~1986
7230481433828878 ~1986
7230563144611278 ~1985
Exp. Prime Factor Digits Year
72306112313795539 ~1988
7230653433839198 ~1986
7230851144617038 ~1985
7230851578468098
7230857433851438 ~1986
7230857578468578
7230911144618238 ~1985
7230911578472898
7230943723094318 ~1986
7231319144626398 ~1985
7231403144628078 ~1985
7231747723174718 ~1986
7231781433906878 ~1986
7231793433907598 ~1986
72318711880286479 ~1987
7232111144642238 ~1985
7232549578603938 ~1986
7232627578610178 ~1986
72327611591207439 ~1987
72329172893166819 ~1988
7233071144661438 ~1985
7233263144665278 ~1985
7233283723328318 ~1986
7233593434015598 ~1986
72336373472145779 ~1988
Exp. Prime Factor Digits Year
72337271157396339 ~1987
7233899578711938 ~1986
7234091144681838 ~1985
7234091578727298
72343211591550639 ~1987
7234361578748898 ~1986
7234433434065998 ~1986
7234679144693598 ~1985
72348971157583539 ~1987
7235071723507118 ~1986
7235279144705598 ~1985
7235339144706798 ~1985
7235537578842978 ~1986
72355371012975199
7235771144715438 ~1985
7235807578864578 ~1986
7235939578875138 ~1986
7235951144719038 ~1985
7235959723595918 ~1986
7236197578895778 ~1986
7236371578909698 ~1986
7236431144728638 ~1985
7236683144733678 ~1985
7236727723672718 ~1986
7237091144741838 ~1985
880
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26-03-15