Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
217259083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21116344145371922485032270.82019-07-15 17:29:22
History
DateUserTypeResult
2025-04-21James HeinrichF
Factor: 2111634414537192248503 / TF: 70-71
2019-07-15Smok_bmv F
Factor: 2111634414537192248503 / TF: 70-71*
2018-06-26ZenghuiNF
no factor from 2^69 to 2^70
2018-01-14John DeweyNF
no factor from 2^68 to 2^69
2016-09-09XolotlNF
no factor from 2^67 to 2^68
2015-10-21VteamNF
no factor from 2^66 to 2^67
2012-08-19america64NF
no factor from 2^65 to 2^66
2011-05-31RichardNF
no factor from 2^64 to 2^65