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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
40075331801506638 ~1990
40075583801511678 ~1990
40075979801519598 ~1990
40075991801519838 ~1990
40076219801524398 ~1990
400762877213731679 ~1993
400765936412254899 ~1993
40078019801560398 ~1990
400785895611002479 ~1992
40078943801578878 ~1990
40079723801594478 ~1990
400798493206387939 ~1992
40080863801617278 ~1990
40081259801625198 ~1990
400813193206505539 ~1992
40082831801656638 ~1990
40083311801666238 ~1990
40084139801682798 ~1990
40084199801683998 ~1990
40084211801684238 ~1990
40084703801694078 ~1990
40084763801695278 ~1990
40084823801696478 ~1990
40085063801701278 ~1990
40085399801707998 ~1990
Exponent Prime Factor Digits Year
400854012405124079 ~1992
400860372405162239 ~1992
40086419801728398 ~1990
40086443801728878 ~1990
40087571801751438 ~1990
40088903801778078 ~1990
40089911801798238 ~1990
40091123801822478 ~1990
400915913207327299 ~1992
40092203801844078 ~1990
40092911801858238 ~1990
40092971801859438 ~1990
40093019801860398 ~1990
40093271801865438 ~1990
40093499801869998 ~1990
40094003801880078 ~1990
400940532405643199 ~1992
400940536415048499
40094459801889198 ~1990
40094651801893038 ~1990
400949412405696479 ~1992
400954439622906339 ~1993
40095743801914878 ~1990
40096103801922078 ~1990
40096571801931438 ~1990
Exponent Prime Factor Digits Year
40096643801932878 ~1990
40097231801944638 ~1990
40098083801961678 ~1990
40098323801966478 ~1990
40098431801968638 ~1990
40098659801973198 ~1990
40099571801991438 ~1990
400997572405985439 ~1992
40100831802016638 ~1990
40101059802021198 ~1990
40101251802025038 ~1990
40101311802026238 ~1990
401021772406130639 ~1992
40102619802052398 ~1990
401029212406175279 ~1992
40102999136350196710 ~1993
40103039802060798 ~1990
401035932406215599 ~1992
40103891802077838 ~1990
401040076416641139 ~1993
40104983802099678 ~1990
40105343802106878 ~1990
401054335614760639 ~1992
40105823802116478 ~1990
401064473208515779 ~1992
Exponent Prime Factor Digits Year
401065439625570339 ~1993
40108199802163998 ~1990
401085479626051299 ~1993
40108643802172878 ~1990
40108751802175038 ~1990
40109183802183678 ~1990
40110359802207198 ~1990
40110503802210078 ~1990
40110839802216798 ~1990
40111871802237438 ~1990
40111979802239598 ~1990
40112183802243678 ~1990
40112339802246798 ~1990
40112519802250398 ~1990
40113179802263598 ~1990
40113263802265278 ~1990
401137099627290179 ~1993
40114043802280878 ~1990
40114199802283998 ~1990
40114331802286638 ~1990
40115171802303438 ~1990
40115219802304398 ~1990
40115303802306078 ~1990
40115711802314238 ~1990
40115951802319038 ~1990
2143
GIMPS The Prime Pages FactorDb.com
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26-07-05