Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
131497447Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
655199936476840236192172375.82023-07-05 07:07:57
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^70 to 2^71
2023-07-05MirraF
Factor: 65519993647684023619217 / TF: 75-76
2022-12-31SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2016-11-28nate.andersNF
no factor from 2^71 to 2^72
2016-05-31Josh FamestadNF
no factor from 2^70 to 2^71
2013-01-17VictordeHollanderNF
no factor from 2^69 to 2^70
2012-09-24VictordeHollanderNF
no factor from 2^68 to 2^69
2012-09-24VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-15Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-08-02HBendtzNF
no factor from 2^63 to 2^64