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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
29112119582242398 ~1989
29112851582257038 ~1989
29113211582264238 ~1989
29113223582264478 ~1989
29113691582273838 ~1989
29113739582274798 ~1989
29113943582278878 ~1989
29115743582314878 ~1989
29116259582325198 ~1989
291163571746981439 ~1990
29116751582335038 ~1989
29116799582335998 ~1989
29116931582338638 ~1989
29117351582347038 ~1989
29117639582352798 ~1989
29118539582370798 ~1989
29118983582379678 ~1989
29119091582381838 ~1989
29119151582383038 ~1989
29119991582399838 ~1989
29120183582403678 ~1989
29120519582410398 ~1989
29120699582413998 ~1989
29121143582422878 ~1989
29121359582427198 ~1989
Exponent Prime Factor Digits Year
291216411747298479 ~1990
29121899582437998 ~1989
29122403582448078 ~1989
29123483582469678 ~1989
29123999582479998 ~1989
29124059582481198 ~1989
29124503582490078 ~1989
29124863582497278 ~1989
291250494077506879 ~1991
291252771747516639 ~1990
29125331582506638 ~1989
291253634660058099 ~1992
29125391582507838 ~1989
29126231582524638 ~1989
29126711582534238 ~1989
29126939582538798 ~1989
29127083582541678 ~1989
29128523582570478 ~1989
29128751582575038 ~1989
29129651582593038 ~1989
291296992330375939 ~1991
29130203582604078 ~1989
29131031582620638 ~1989
291313931747883599 ~1990
29131559582631198 ~1989
Exponent Prime Factor Digits Year
29132003582640078 ~1989
29132039582640798 ~1989
29132531582650638 ~1989
29133011582660238 ~1989
291330371747982239 ~1990
291343214661491379 ~1992
291344531748067199 ~1990
29134631163153933710 ~1993
29134643582692878 ~1989
29134751582695038 ~1989
29135219582704398 ~1989
29135471582709438 ~1989
29135831582716638 ~1989
29136083582721678 ~1989
29136839582736798 ~1989
29137739582754798 ~1989
291378171748269039 ~1990
291378531748271199 ~1990
29138579582771598 ~1989
291397011748382079 ~1990
29139839582796798 ~1989
29140151582803038 ~1989
291408475245352479 ~1992
29141279582825598 ~1989
29142383582847678 ~1989
Exponent Prime Factor Digits Year
29142959582859198 ~1989
291431812331454499 ~1991
29143223582864478 ~1989
29143319582866398 ~1989
29144639582892798 ~1989
291449392331595139 ~1991
291451971748711839 ~1990
29145419582908398 ~1989
29145503582910078 ~1989
29146499582929998 ~1989
29146571582931438 ~1989
29146739582934798 ~1989
29146751582935038 ~1989
29146919582938398 ~1989
291469611748817679 ~1990
29147039582940798 ~1989
29147663582953278 ~1989
291478912331831299 ~1991
29147903582958078 ~1989
29147999582959998 ~1989
29148083582961678 ~1989
29148239582964798 ~1989
29148611582972238 ~1989
291494572331956579 ~1991
29149583582991678 ~1989
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25-10-20