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
114667549Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
221882284255019171782072374.22020-10-19 04:16:02
History
DateUserTypeResult
2020-10-19RobertKazanF
Factor: 22188228425501917178207 / TF: 74-75*
2015-09-23Earle LoweNF
no factor from 2^73 to 2^74
2015-09-23Earle LoweNF
no factor from 2^72 to 2^73
2015-09-23Earle LoweNF
no factor from 2^71 to 2^72
2015-09-23Earle LoweNF
no factor from 2^70 to 2^71
2015-09-23Earle LoweNF
no factor from 2^69 to 2^70
2015-09-23Earle LoweNF
no factor from 2^68 to 2^69
2015-03-26g0bNF
no factor from 2^67 to 2^68
2014-11-21Stefano Caponi [MachPatrol]NF
no factor from 2^66 to 2^67
2012-06-14tscNF
no factor from 2^65 to 2^66
2010-12-04RichardNF
no factor from 2^64 to 2^65
2010-05-07subgeniusNF
no factor from 2^63 to 2^64