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
218945527Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
39410194871031.92007-12-21 09:55:54
9340239302467651211859.72015-12-08 13:45:30
83770680317450482971962.92016-10-27 11:39:45
362617563027494872872065.02018-04-03 12:30:52
History
DateUserTypeResult
2024-08-26mikrNF
no factor from 2^68 to 2^73
2022-06-29LordJuliusNF
no factor from 2^63 to 2^64
2022-06-29LordJuliusNF
no factor from 2^60 to 2^62
2018-04-03TJAOIF
Factor: 36261756302749487287 / TF: 64-65
2016-10-27TJAOIF
Factor: 8377068031745048297 / TF: 62-63
2015-12-08TJAOIF
Factor: 934023930246765121 / TF: 59-60