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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
29308931586178638 ~1989
29309363586187278 ~1989
293094475275700479 ~1992
293098312344786499 ~1991
29310719586214398 ~1989
29311559586231198 ~1989
29311871586237438 ~1989
29312033252083483910 ~1993
293121131758726799 ~1991
293122374103713199 ~1991
293122632931226319 ~1991
29312351586247038 ~1989
293123571758741439 ~1991
29312711586254238 ~1989
29312891586257838 ~1989
29314199586283998 ~1989
29314559586291198 ~1989
293145912931459119 ~1991
29314931586298638 ~1989
29315003586300078 ~1989
29315183586303678 ~1989
29315411586308238 ~1989
29315459586309198 ~1989
293155272931552719 ~1991
29315579586311598 ~1989
Exponent Prime Factor Digits Year
293159411758956479 ~1991
29316659586333198 ~1989
29316671586333438 ~1989
29316719586334398 ~1989
29317751586355038 ~1989
29318351586367038 ~1989
293184412345475299 ~1991
29318759586375198 ~1989
29319431586388638 ~1989
29319539586390798 ~1989
29319599586391998 ~1989
29319659586393198 ~1989
293206611759239679 ~1991
29320751586415038 ~1989
29321003586420078 ~1989
293210937037062339 ~1992
29321459586429198 ~1989
29321471586429438 ~1989
29322179586443598 ~1989
29322239492613615310 ~1994
29322599586451998 ~1989
293226072932260719 ~1991
29323043586460878 ~1989
29324111586482238 ~1989
293242211759453279 ~1991
Exponent Prime Factor Digits Year
29324579586491598 ~1989
293246938797407919 ~1992
29324783586495678 ~1989
293247971759487839 ~1991
293253472346027779 ~1991
29325371586507438 ~1989
29325623586512478 ~1989
29326499586529998 ~1989
29326991586539838 ~1989
293275134105851839 ~1991
29327663586553278 ~1989
29328311586566238 ~1989
29329523586590478 ~1989
29329571586591438 ~1989
29329691586593838 ~1989
29330051586601038 ~1989
29331311586626238 ~1989
29332211586644238 ~1989
29332223586644478 ~1989
293324692346597539 ~1991
29332847639456064710 ~1994
293331912933319119 ~1991
29333519586670398 ~1989
293336832933368319 ~1991
293337472346699779 ~1991
Exponent Prime Factor Digits Year
293338811760032879 ~1991
293339177040140099 ~1992
293341211760047279 ~1991
29334479586689598 ~1989
293346915280244399 ~1992
29335199586703998 ~1989
29335927193617118310 ~1993
293363171760179039 ~1991
29336711586734238 ~1989
293370731760224399 ~1991
29337239586744798 ~1989
29338091586761838 ~1989
293384536454459679 ~1992
29338559586771198 ~1989
293386131760316799 ~1991
293386492347091939 ~1991
29338703586774078 ~1989
293389632933896319 ~1991
29339699586793998 ~1989
29340023586800478 ~1989
29340119586802398 ~1989
29340131586802638 ~1989
293405872347246979 ~1991
29340599586811998 ~1989
29341979586839598 ~1989
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26-04-05