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
313173283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
23112655182770370204172271.02019-09-26 04:28:51
History
DateUserTypeResult
2025-03-31James HeinrichF
Factor: 2311265518277037020417 / TF: 70-71
2019-09-26Smok_bmv F
Factor: 2311265518277037020417 / TF: 70-71*
2019-03-17Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2019-03-15sasakiNF
no factor from 2^69 to 2^70
2018-08-02Chabot PrimeNF
no factor from 2^68 to 2^69
2016-12-15-Anonymous-NF
no factor from 2^67 to 2^68
2016-02-23pjwrightNF
no factor from 2^66 to 2^67
2014-02-06Arne KleppestrandNF
no factor from 2^65 to 2^66
2011-10-27Piotrek2234NF
no factor from 2^64 to 2^65