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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.
Exp. Prime Factor Digits Year
7736633464197998 ~1986
7736761464205678 ~1986
7736831154736638 ~1985
7736831618946498
7736873464212398 ~1986
7736951154739038 ~1985
7737043773704318 ~1987
7737071154741438 ~1985
7737263154745278 ~1985
7737677619014178 ~1986
7737967773796718 ~1987
7738271154765438 ~1985
7738337464300238 ~1986
7738337619066978
77384273714444979 ~1988
77384572940613679 ~1988
7738483773848318 ~1987
7738943154778878 ~1985
7739101464346078 ~1986
7739189619135138 ~1986
77392734333992899 ~1988
7739311773931118 ~1987
7739383773938318 ~1987
7739519154790398 ~1985
7739597464375838 ~1986
Exp. Prime Factor Digits Year
7739651619172098 ~1986
7739843154796878 ~1985
77400239288027619 ~1989
7740119154802398 ~1985
7740203154804078 ~1985
77405473096218819 ~1988
7740599154811998 ~1985
7740611154812238 ~1985
7740833464449998 ~1986
7741403154828078 ~1985
7742411154848238 ~1985
7742459154849198 ~1985
7742677464560638 ~1986
7742723154854478 ~1985
7742771154855438 ~1985
7742807619424578 ~1986
7742957619436578 ~1986
77429571084013999
7743209619456738 ~1986
7743389619471138 ~1986
77434094955781779 ~1989
7743503154870078 ~1985
7743559774355918 ~1987
7743611619488898 ~1986
7743727774372718 ~1987
Exp. Prime Factor Digits Year
77437312477993939 ~1988
7744151619532098 ~1986
7744391154887838 ~1985
7744403154888078 ~1985
7744631154892638 ~1985
77446313252745039
7744657464679438 ~1986
7744739154894798 ~1985
77448313717518899 ~1988
7745033464701998 ~1986
7745051154901038 ~1985
7745323774532318 ~1987
7745819154916398 ~1985
7746083154921678 ~1985
7746133464767998 ~1986
7746241464774478 ~1986
7746367774636718 ~1987
7746449619715938 ~1986
7746569619725538 ~1986
7746691774669118 ~1987
7746763774676318 ~1987
7746863154937278 ~1985
7746967774696718 ~1987
7747001619760098 ~1986
77470372943874079 ~1988
Exp. Prime Factor Digits Year
7747093464825598 ~1986
7747217464833038 ~1986
77475115578207939 ~1989
7747561464853678 ~1986
7747643154952878 ~1985
77476732479255379 ~1988
7747739154954798 ~1985
77478191394607439 ~1987
7747933464875998 ~1986
7747981464878878 ~1986
77480091084721279 ~1987
7748099154961998 ~1985
7748113464886798 ~1986
7748261464895678 ~1986
7748459154969198 ~1985
7748627619890178 ~1986
77487173719384179 ~1988
7748831154976638 ~1985
7748921464935278 ~1986
77489213719482099
7749227619938178 ~1986
7749251154985038 ~1985
7749299154985998 ~1985
7749353464961198 ~1986
7749491154989838 ~1985
928
GIMPS The Prime Pages FactorDb.com
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26-07-05