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
128444383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
92517220205005385390872273.02019-10-21 04:37:24
History
DateUserTypeResult
2024-06-25GregNF
no factor from 2^71 to 2^72
2019-10-21Smok_bmv F
Factor: 9251722020500538539087 / TF: 72-73*
2015-11-19nate.andersNF
no factor from 2^71 to 2^72
2015-11-17JudgeNF
no factor from 2^70 to 2^71
2015-11-13La GüiraNF
no factor from 2^69 to 2^70
2015-11-13La GüiraNF
no factor from 2^68 to 2^69
2015-11-13La GüiraNF
no factor from 2^67 to 2^68
2015-01-13el groccoNF
no factor from 2^66 to 2^67
2012-09-29Andrew BNF
no factor from 2^65 to 2^66
2010-11-08James HintzNF
no factor from 2^64 to 2^65
2010-06-02Carsten KossendeyNF
no factor from 2^63 to 2^64