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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
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
7799797467987838 ~1986
7799843155996878 ~1985
Exp. Prime Factor Digits Year
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
7805081624406498 ~1986
78051077024596319 ~1989
Exp. Prime Factor Digits Year
7805177179519071110 ~1990
7805201468312078 ~1986
7805297468317838 ~1986
7805939624475138 ~1986
7805957468357438 ~1986
7805957624476578
7806013468360798 ~1986
7806311624504898 ~1986
7806433468385998 ~1986
7806479156129598 ~1985
7806797624543778 ~1986
7806863156137278 ~1985
7806983156139678 ~1985
7807361624588898 ~1986
7807531780753118 ~1987
7807601468456078 ~1986
7807637624610978 ~1986
7808441468506478 ~1986
7808483156169678 ~1985
7808503780850318 ~1987
7808519156170398 ~1985
78085795778348479 ~1989
7808617468517038 ~1986
78086171249378739
7808657624692578 ~1986
Exp. Prime Factor Digits Year
7808699624695938 ~1986
78086993279653599
7808711156174238 ~1985
7808839780883918 ~1987
7808897468533838 ~1986
7809083156181678 ~1985
7809491156189838 ~1985
7809533468571998 ~1986
7809601468576078 ~1986
7809757468585438 ~1986
7809793468587598 ~1986
7809821624785698 ~1986
7809911156198238 ~1985
7810057468603438 ~1986
78103331874479939 ~1987
7810421468625278 ~1986
7810619156212398 ~1985
7810721468643278 ~1986
7810739156214798 ~1985
7810931156218638 ~1985
78109871249757939 ~1987
7811057468663438 ~1986
7811173468670398 ~1986
78112031249792499 ~1987
7811543156230878 ~1985
883
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25-05-04