Home e-mail
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
397311016356976179 ~1993
397311713178493699 ~1992
39732443794648878 ~1990
39732503794650078 ~1990
397326916357230579 ~1993
397330732383984399 ~1992
39733163794663278 ~1990
39733643794672878 ~1990
397336973178695779 ~1992
39734099794681998 ~1990
39734399794687998 ~1990
39734483794689678 ~1990
397346572384079439 ~1992
397346573178772579
397368772384212639 ~1992
39736919794738398 ~1990
39737723794754478 ~1990
39739103794782078 ~1990
39740243794804878 ~1990
39740639794812798 ~1990
397407173179257379 ~1992
39740819794816398 ~1990
39741301190758244910 ~1994
39742259794845198 ~1990
397425132384550799 ~1992
Exponent Prime Factor Digits Year
39743111794862238 ~1990
39743699794873998 ~1990
39744119794882398 ~1990
39744203794884078 ~1990
39744443794888878 ~1990
39745789214627260710 ~1994
39746279794925598 ~1990
39746543794930878 ~1990
397474812384848879 ~1992
39747671794953438 ~1990
397482372384894239 ~1992
39751571389565395910 ~1994
39751979795039598 ~1990
39752159795043198 ~1990
39753383795067678 ~1990
39754907866656972710 ~1995
39755399795107998 ~1990
39757199795143998 ~1990
39757631795152638 ~1990
39757979795159598 ~1990
397581673975816719 ~1992
397587012385522079 ~1992
397605772385634639 ~1992
397618793180950339 ~1992
39762011795240238 ~1990
Exponent Prime Factor Digits Year
397623616361977779 ~1993
397634116362145779 ~1993
39763439795268798 ~1990
39763571795271438 ~1990
39768191795363838 ~1990
39768383795367678 ~1990
39768623795372478 ~1990
39769573119308719110 ~1993
39769703795394078 ~1990
397702612386215679 ~1992
39770639795412798 ~1990
39771779795435598 ~1990
39771983795439678 ~1990
397731479545555299 ~1993
39773603795472078 ~1990
39774439357969951110 ~1994
39774491795489838 ~1990
397759613182076899 ~1992
39776939795538798 ~1990
39777599795551998 ~1990
39777863795557278 ~1990
39778499795569998 ~1990
39778643795572878 ~1990
39778883795577678 ~1990
39780743795614878 ~1990
Exponent Prime Factor Digits Year
397808939547414339 ~1993
397809132386854799 ~1992
39781151795623038 ~1990
397827532386965199 ~1992
39783011795660238 ~1990
397835779548058499 ~1993
39784571795691438 ~1990
39786023795720478 ~1990
39786899795737998 ~1990
397892932387357599 ~1992
39789611795792238 ~1990
39790403795808078 ~1990
39790631795812638 ~1990
397912495570774879 ~1992
397912997162433839 ~1993
39791663795833278 ~1990
39792839795856798 ~1990
39793079795861598 ~1990
39793283795865678 ~1990
39794063795881278 ~1990
39794159795883198 ~1990
397945393979453919 ~1992
397945493183563939 ~1992
397945492825412979111
39794819795896398 ~1990
Home
5.127.372 digits
e-mail
25-10-20