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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
39707243794144878 ~1990
39707411794148238 ~1990
39707471794149438 ~1990
39708023794160478 ~1990
39708359794167198 ~1990
39709079794181598 ~1990
39709283794185678 ~1990
39709391794187838 ~1990
39710663794213278 ~1990
39711011794220238 ~1990
39712691794253838 ~1990
39714607667205397710 ~1995
39715499794309998 ~1990
39715919794318398 ~1990
397159332382955999 ~1991
397166713971667119 ~1992
397169093177352739 ~1992
39717179794343598 ~1990
39718439794368798 ~1990
39718883794377678 ~1990
397190772383144639 ~1991
397195033971950319 ~1992
39720683794413678 ~1990
39721043794420878 ~1990
39721739794434798 ~1990
Exponent Prime Factor Digits Year
39721859794437198 ~1990
397233372383400239 ~1991
397248132383488799 ~1991
397258313178066499 ~1992
39725879794517598 ~1990
397267636356282099 ~1993
39729743794594878 ~1990
397306313178450499 ~1992
397311016356976179 ~1993
397311713178493699 ~1992
39732443794648878 ~1990
39732503794650078 ~1990
397326916357230579 ~1993
39733163794663278 ~1990
39733643794672878 ~1990
397336973178695779 ~1992
39734099794681998 ~1990
39734399794687998 ~1990
39734483794689678 ~1990
397346572384079439 ~1991
397346573178772579
397368772384212639 ~1991
39736919794738398 ~1990
39737723794754478 ~1990
39739103794782078 ~1990
Exponent Prime Factor Digits Year
39740243794804878 ~1990
39740639794812798 ~1990
397407173179257379 ~1992
39740819794816398 ~1990
39741301190758244910 ~1994
39742259794845198 ~1990
397425132384550799 ~1991
39743111794862238 ~1990
39743699794873998 ~1990
39744119794882398 ~1990
39744203794884078 ~1990
39744443794888878 ~1990
39746279794925598 ~1990
39746543794930878 ~1990
397474812384848879 ~1991
39747671794953438 ~1990
397482372384894239 ~1991
39751571389565395910 ~1994
39751979795039598 ~1990
39752159795043198 ~1990
39753383795067678 ~1990
39755399795107998 ~1990
39757199795143998 ~1990
39757631795152638 ~1990
39757979795159598 ~1990
Exponent Prime Factor Digits Year
397581673975816719 ~1992
397587012385522079 ~1991
397605772385634639 ~1991
397618793180950339 ~1992
39762011795240238 ~1990
397623616361977779 ~1993
397634116362145779 ~1993
39763439795268798 ~1990
39763571795271438 ~1990
39768191795363838 ~1990
39768383795367678 ~1990
39768623795372478 ~1990
39769573119308719110 ~1993
39769703795394078 ~1990
39770639795412798 ~1990
39771779795435598 ~1990
39771983795439678 ~1990
397731479545555299 ~1993
39773603795472078 ~1990
39774439357969951110 ~1994
39774491795489838 ~1990
397759613182076899 ~1992
39776939795538798 ~1990
39777599795551998 ~1990
39778643795572878 ~1990
1891
GIMPS The Prime Pages FactorDb.com
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25-03-23