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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
388009177601837 ~1982
3880241310419298 ~1984
38803817450331539 ~1987
3880447620871538 ~1985
3880601310448098 ~1984
3880733232843998 ~1984
3880817310465378 ~1984
3880927620948338 ~1985
3881021310481698 ~1984
38810271009067039 ~1985
3881077232864638 ~1984
3881161620985778 ~1985
3881173232870398 ~1984
3881299698633838 ~1985
388130377626077 ~1982
3881431698657598 ~1985
3882353543529438 ~1985
3882421232945278 ~1984
3882569310605538 ~1984
3882911310632898 ~1984
3882911698923998
38829471009566239 ~1985
3883073232984398 ~1984
3883133232987998 ~1984
3883177232990638 ~1984
Exp. Prime Factor Digits Year
3883541233012478 ~1984
3883547932051298 ~1985
3883597233015838 ~1984
388382377676477 ~1982
3884117233047038 ~1984
388412377682477 ~1982
3884213328604419910 ~1989
3884261233055678 ~1984
38842676525568579 ~1987
38843331165299919 ~1985
3884473621515698 ~1985
3884533233071998 ~1984
3884731699251598 ~1985
3884767388476718 ~1984
388481977696397 ~1982
3885103388510318 ~1984
3885181233110878 ~1984
3885461233127678 ~1984
3885521310841698 ~1984
3885697233141838 ~1984
388574377714877 ~1982
388577977715597 ~1982
3885989544038478 ~1985
3886117233167038 ~1984
388619977723997 ~1982
Exp. Prime Factor Digits Year
3886229544072078 ~1985
3886231388623118 ~1984
3886357233181438 ~1984
3886537621845938 ~1985
388655977731197 ~1982
3886637233198238 ~1984
3886717621874738 ~1985
3886723621875698 ~1985
3886801233208078 ~1984
3886937310954978 ~1984
3886991310959298 ~1984
388700377740077 ~1982
388717177743437 ~1982
3887291310983298 ~1984
3887357310988578 ~1984
3887393233243598 ~1984
388739977747997 ~1982
3887489544248478 ~1985
388751977750397 ~1982
3887519699753438
3887581233254878 ~1984
388777177755437 ~1982
3887771699798798
3887839388783918 ~1984
38878931555157219 ~1986
Exp. Prime Factor Digits Year
3887993233279598 ~1984
3888463388846318 ~1984
388855177771037 ~1982
388861177772237 ~1982
3888629544408078 ~1985
3888763388876318 ~1984
3888823622211698 ~1985
3888991388899118 ~1984
388903177780637 ~1982
388907977781597 ~1982
388916377783277 ~1982
3889217233353038 ~1984
388963177792637 ~1982
3889733544562638 ~1985
388985977797197 ~1982
3889933233395998 ~1984
38899691166990719 ~1985
3890053233403198 ~1984
3890057311204578 ~1984
389006377801277 ~1982
3890071389007118 ~1984
38901111244835539 ~1985
3890119230295044910 ~1989
389017177803437 ~1982
38902611167078319 ~1985
604
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26-03-15