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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.
Exponent Prime Factor Digits Year
12894671257893438 ~1987
12894803257896078 ~1987
12894839257896798 ~1987
12894923257898478 ~1987
12895079257901598 ~1987
12895331257906638 ~1987
12895439257908798 ~1987
12895451257909038 ~1987
128958492837086799 ~1989
12896519257930398 ~1987
12897383257947678 ~1987
12897803257956078 ~1987
12897971257959438 ~1987
12898799257975998 ~1987
12899437773966238 ~1988
12899483257989678 ~1987
12899531257990638 ~1987
12900011258000238 ~1987
12900311258006238 ~1987
12900551258011038 ~1987
12900599258011998 ~1987
129008039546594239 ~1990
12901081774064878 ~1988
129013812838303839 ~1989
12901571258031438 ~1987
Exponent Prime Factor Digits Year
12901979258039598 ~1987
12902117774127038 ~1988
12902423258048478 ~1987
12902783258055678 ~1987
129028493870854719 ~1989
129028671032229379 ~1988
12902993774179598 ~1988
12903179258063598 ~1987
129031791032254339
12903431258068638 ~1987
12903503258070078 ~1987
12903593774215598 ~1988
129035991032287939 ~1988
12903791258075838 ~1987
12904103258082078 ~1987
12904253774255198 ~1988
12904271258085438 ~1987
12904481774268878 ~1988
12904631258092638 ~1987
129046434129485779 ~1989
12904693774281598 ~1988
12904883258097678 ~1987
129051112322919999 ~1989
12905423258108478 ~1987
12905603258112078 ~1987
Exponent Prime Factor Digits Year
12905699258113998 ~1987
12905701774342078 ~1988
12905723258114478 ~1987
12905773774346398 ~1988
129059691806835679 ~1989
12906863258137278 ~1987
12907259258145198 ~1987
12907319258146398 ~1987
12907451258149038 ~1987
12907571258151438 ~1987
12907883258157678 ~1987
129079271290792719 ~1988
129080391032643139 ~1988
129082792323490239 ~1989
12908579258171598 ~1987
12908963258179278 ~1987
12909131258182638 ~1987
12909241774554478 ~1988
129092511032740099 ~1988
129093191290931919 ~1988
12909551258191038 ~1987
129095871032766979 ~1988
12909623258192478 ~1987
12909839258196798 ~1987
12911117774667038 ~1988
Exponent Prime Factor Digits Year
12911399258227998 ~1987
12911711258234238 ~1987
12911819258236398 ~1987
12912479258249598 ~1987
12912899258257998 ~1987
129131691033053539 ~1988
129134711291347119 ~1988
12913991258279838 ~1987
12914171258283438 ~1987
12914771258295438 ~1987
12915131258302638 ~1987
129151871291518719 ~1988
12915323258306478 ~1987
12915361774921678 ~1988
12915653774939198 ~1988
12916331258326638 ~1987
12916511258330238 ~1987
12916679258333598 ~1987
12916901775014078 ~1988
12917123258342478 ~1987
129175071033400579 ~1988
129176571289182168711 ~1993
12918263258365278 ~1987
129183193100396579 ~1989
12918371258367438 ~1987
1159
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25-06-08