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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
149881129976237 ~1979
1499011599604418 ~1982
1499053689564398 ~1983
1499167239866738 ~1981
1499359269884638 ~1982
14997592069667439 ~1984
149985789991437 ~1980
149989129997837 ~1979
1500047360011298 ~1982
15000614050164719 ~1984
150033790020237 ~1980
1500347120027778 ~1981
150037130007437 ~1979
15003976091611839 ~1985
150049130009837 ~1979
15005111350459919 ~1983
1500533210074638 ~1981
150073130014637 ~1979
150085390051197 ~1980
1500853330187678
1501009107772446310 ~1985
15010211080735139 ~1983
1501427360342498 ~1982
1501429450428718 ~1982
150158330031677 ~1979
Exp. Prime Factor Digits Year
150167930033597 ~1979
1501679120134338
1501847360443298 ~1982
150185930037197 ~1979
1501909360458178 ~1982
150193790116237 ~1980
150194330038877 ~1979
150204190122477 ~1980
150209390125597 ~1980
15020933364688339
150216190129677 ~1980
1502227360534498 ~1982
15023271111721999 ~1983
1502329600931618 ~1982
150238190142877 ~1980
150243790146237 ~1980
150247130049437 ~1979
15025693485960099 ~1984
150263930052797 ~1979
150286190171677 ~1980
1502909210407278 ~1981
150303790182237 ~1980
150305930061197 ~1979
1503149360755778 ~1982
150331130066237 ~1979
Exp. Prime Factor Digits Year
1503317450995118 ~1982
15033531894224799 ~1984
150352190211277 ~1980
150361130072237 ~1979
1503847601538818 ~1982
1503881120310498 ~1981
1503919150391918 ~1981
150395930079197 ~1979
150407390244397 ~1980
1504073451221918
150410330082077 ~1979
150411790247037 ~1980
1504157451247118 ~1982
1504171240667378 ~1981
1504231872453998 ~1983
150427130085437 ~1979
1504319120345538 ~1981
1504409481410898 ~1982
1504463391160398 ~1982
1504469120357538 ~1981
150449390269597 ~1980
150479390287597 ~1980
150480190288077 ~1980
15048175537726579 ~1985
150485930097197 ~1979
Exp. Prime Factor Digits Year
150509930101997 ~1979
1505137451541118 ~1982
150518330103677 ~1979
150520190312077 ~1980
1505201451560318
150529130105837 ~1979
1505291632222238
1505411120432898 ~1981
1505417120433378 ~1981
1505431240868978 ~1981
1505563150556318 ~1981
1505587150558718 ~1981
1505591120447298 ~1981
150565790339437 ~1980
150568190340877 ~1980
1505729120458338 ~1981
150583130116637 ~1979
150587390352397 ~1980
1505893361414338 ~1982
150607790364637 ~1980
15060911084385539 ~1983
15061211084407139 ~1983
1506137210859198 ~1981
1506137361472898
150625790375437 ~1980
324
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25-10-26