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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
77888576231085619 ~1989
7789073467344398 ~1986
7789079155781598 ~1985
77891891364665912911 ~1992
7789253467355198 ~1986
7789343155786878 ~1985
77893631246298099 ~1987
7789403155788078 ~1985
77894694829470799 ~1988
7789583155791678 ~1985
7789841235253198310 ~1990
7789919623193538 ~1986
7789997467399838 ~1986
7790423155808478 ~1985
7790459155809198 ~1985
7790591155811838 ~1985
7790639623251138 ~1986
7790897467453838 ~1986
7790903155818078 ~1985
7791239623299138 ~1986
7791379779137918 ~1987
7791493467489598 ~1986
7791551155831038 ~1985
7791677467500638 ~1986
7791697467501838 ~1986
Exp. Prime Factor Digits Year
7791911155838238 ~1985
7791911623352898
7793153467589198 ~1986
7793231623458498 ~1986
7793459155869198 ~1985
7793473467608398 ~1986
7793759155875198 ~1985
7794071155881438 ~1985
7794323155886478 ~1985
77946434988571539 ~1988
7794863155897278 ~1985
7794929623594338 ~1986
7794971623597698 ~1986
7795223155904478 ~1985
7795237467714238 ~1986
7795439155908798 ~1985
7795559623644738 ~1986
7795661467739678 ~1986
7795687779568718 ~1987
7795811155916238 ~1985
7796003155920078 ~1985
7796071779607118 ~1987
77961111403299999 ~1987
7796611779661118 ~1987
7796699155933998 ~1985
Exp. Prime Factor Digits Year
7797071155941438 ~1985
7797241467834478 ~1986
7797311623784898 ~1986
7797401467844078 ~1986
77974872651145599 ~1988
7797593467855598 ~1986
7797701623816098 ~1986
7797743155954878 ~1985
7797877467872638 ~1986
7797983155959678 ~1985
7798397467903838 ~1986
7798463155969278 ~1985
7798621467917278 ~1986
7798717467923038 ~1986
77987937486841299 ~1989
7798811155976238 ~1985
7798859623908738 ~1986
7798963779896318 ~1987
7799111155982238 ~1985
7799201467952078 ~1986
7799201623936098
7799339155986798 ~1985
7799459623956738 ~1986
77995132495844179 ~1988
7799723155994478 ~1985
Exp. Prime Factor Digits Year
7799797467987838 ~1986
7799843155996878 ~1985
7800119156002398 ~1985
7800137468008238 ~1986
7800791624063298 ~1986
7800959156019198 ~1985
7800973468058398 ~1986
7801337468080238 ~1986
7801373468082398 ~1986
7801823156036478 ~1985
7801919156038398 ~1985
78021171092296399 ~1987
78022131092309839 ~1987
7802339156046798 ~1985
7802413468144798 ~1986
78025511248408179 ~1987
78027911404502399 ~1987
78028491092398879 ~1987
7803193468191598 ~1986
7803613468216798 ~1986
7803749624299938 ~1986
7803839156076798 ~1985
7803973468238398 ~1986
7804271156085438 ~1985
7804501468270078 ~1986
880
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25-04-13