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
223079383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18206361894774613378732270.62019-07-26 03:26:21
History
DateUserTypeResult
2025-04-19James HeinrichF
Factor: 1820636189477461337873 / TF: 70-71
2019-07-26Smok_bmv F
Factor: 1820636189477461337873 / TF: 70-71*
2019-02-24Chabot PrimeNF
no factor from 2^69 to 2^70
2018-03-09BJBNF
no factor from 2^68 to 2^69
2016-09-08XZTNF
no factor from 2^67 to 2^68
2015-10-31Jason UNF
no factor from 2^66 to 2^67
2013-08-29subgeniusNF
no factor from 2^65 to 2^66
2011-06-10OS1NF
no factor from 2^64 to 2^65