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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
400373599608966179 ~1993
40037831800756638 ~1990
40038191800763838 ~1990
40038983800779678 ~1990
40039801120119403110 ~1993
40040411800808238 ~1990
40041983800839678 ~1990
40042043800840878 ~1990
40042631800852638 ~1990
40044083800881678 ~1990
40044131800882638 ~1990
40044479800889598 ~1990
400445273203562179 ~1992
40044743800894878 ~1990
400459193203673539 ~1992
400460513203684099 ~1992
40046579800931598 ~1990
400474732402848399 ~1992
40048199800963998 ~1990
400488732402932399 ~1992
40049063800981278 ~1990
40049231800984638 ~1990
40049591800991838 ~1990
400514212403085279 ~1992
40052339801046798 ~1990
Exponent Prime Factor Digits Year
40052423801048478 ~1990
40052951801059038 ~1990
400534073204272579 ~1992
40053551801071038 ~1990
40053659801073198 ~1990
400555013204440099 ~1992
40057837120173511110 ~1993
40058591801171838 ~1990
40061999801239998 ~1990
40063139801262798 ~1990
40064033224358584910 ~1994
400647076410353139 ~1993
40064963801299278 ~1990
40065359801307198 ~1990
40066751801335038 ~1990
40067459801349198 ~1990
40067999801359998 ~1990
40069031801380638 ~1990
400698593205588739 ~1992
400712812404276879 ~1992
40071413408728412710 ~1995
40074539801490798 ~1990
40074791801495838 ~1990
40075583801511678 ~1990
40075979801519598 ~1990
Exponent Prime Factor Digits Year
40075991801519838 ~1990
400762877213731679 ~1993
400765936412254899 ~1993
400785895611002479 ~1992
400798493206387939 ~1992
40080863801617278 ~1990
400813193206505539 ~1992
40082831801656638 ~1990
40083311801666238 ~1990
40084211801684238 ~1990
40084823801696478 ~1990
40085063801701278 ~1990
40085399801707998 ~1990
400854012405124079 ~1992
40087571801751438 ~1990
40088903801778078 ~1990
40089911801798238 ~1990
400915913207327299 ~1992
40092203801844078 ~1990
40093271801865438 ~1990
40094003801880078 ~1990
400940532405643199 ~1992
400940536415048499
40094459801889198 ~1990
400954439622906339 ~1993
Exponent Prime Factor Digits Year
40095743801914878 ~1990
40098083801961678 ~1990
40098323801966478 ~1990
40098431801968638 ~1990
40099571801991438 ~1990
400997572405985439 ~1992
40100831802016638 ~1990
40101059802021198 ~1990
401021772406130639 ~1992
401029212406175279 ~1992
40102999136350196710 ~1993
40103039802060798 ~1990
401035932406215599 ~1992
40103891802077838 ~1990
40105343802106878 ~1990
401054335614760639 ~1992
40105823802116478 ~1990
401064473208515779 ~1992
401065439625570339 ~1993
401085479626051299 ~1993
40108751802175038 ~1990
40110359802207198 ~1990
40110503802210078 ~1990
40111871802237438 ~1990
40112339802246798 ~1990
2017
GIMPS The Prime Pages FactorDb.com
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25-11-02