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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
15328933919735998 ~1988
15329183306583678 ~1987
15329591306591838 ~1987
15329819306596398 ~1987
153300712759412799 ~1989
153306132452898099 ~1989
15331103306622078 ~1987
15331139306622798 ~1987
15331619306632398 ~1987
15332021919921278 ~1988
15332279306645598 ~1987
153327477359718579 ~1990
15333119306662398 ~1987
15333239306664798 ~1987
15333683306673678 ~1987
15333803306676078 ~1987
15333863306677278 ~1987
15333911306678238 ~1987
15334811306696238 ~1987
153348196133927619 ~1990
15335051306701038 ~1987
15335063306701278 ~1987
15335531306710638 ~1987
15335543306710878 ~1987
15336073920164398 ~1988
Exponent Prime Factor Digits Year
15336179306723598 ~1987
15336479306729598 ~1987
15336539306730798 ~1987
153365774600973119 ~1990
15336877119627640710 ~1991
15337319306746398 ~1987
15337559306751198 ~1987
15337571306751438 ~1987
15337583306751678 ~1987
15337919306758398 ~1987
15338231306764638 ~1987
15338693920321598 ~1988
15338903306778078 ~1987
15338951306779038 ~1987
15339059306781198 ~1987
15339179306783598 ~1987
153392271227138179 ~1989
15339257343599356910 ~1992
15339473920368398 ~1988
153397392761153039 ~1989
15339743306794878 ~1987
153398092147573279 ~1989
15339953920397198 ~1988
153400332454405299 ~1989
15340079306801598 ~1987
Exponent Prime Factor Digits Year
15340151306803038 ~1987
15340499306809998 ~1987
15340679306813598 ~1987
15340883306817678 ~1987
15341099306821998 ~1987
15341603306832078 ~1987
15342473920548398 ~1988
15342683306853678 ~1987
15342697920561838 ~1988
153427971227423779 ~1989
15343019306860398 ~1987
15343631306872638 ~1987
153436311227490499
15344099306881998 ~1987
15344111306882238 ~1987
15344177920650638 ~1988
15345157920709438 ~1988
15345383306907678 ~1987
15345563306911278 ~1987
15345817920749038 ~1988
15346211306924238 ~1987
153463671227709379 ~1989
15346511306930238 ~1987
15346559306931198 ~1987
15346739306934798 ~1987
Exponent Prime Factor Digits Year
15346763306935278 ~1987
15347833920869998 ~1988
15348071306961438 ~1987
15348121920887278 ~1988
15348191306963838 ~1987
15348419306968398 ~1987
15348691110510575310 ~1991
153497991227983939 ~1989
153498012455968179 ~1989
153502671228021379 ~1989
15350963307019278 ~1987
15351071307021438 ~1987
153512574605377119 ~1990
15351283245620528110 ~1992
15351383307027678 ~1987
15351491307029838 ~1987
15351659307033198 ~1987
15351923307038478 ~1987
15351997921119838 ~1988
15352279125888687910 ~1991
15352433921145998 ~1988
15352451307049038 ~1987
15352679307053598 ~1987
15353399307067998 ~1987
15353497921209838 ~1988
1266
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25-07-08