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
185030093Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3896440195544474869992168.42017-06-26 06:21:59
History
DateUserTypeResult
2025-03-26James HeinrichF
Factor: 389644019554447486999 / TF: 68-70
2017-06-26NickF
Factor: 389644019554447486999 / TF: 68-69
2016-07-17SFPeteNF
no factor from 2^67 to 2^68
2015-08-11tscNF
no factor from 2^66 to 2^67
2013-05-18Grant McCrackenNF
no factor from 2^65 to 2^66
2011-03-30sasaki3NF
no factor from 2^64 to 2^65
2010-07-27Torchwood InstituteNF
no factor from 2^63 to 2^64