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
805099283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21721573958471292906312270.92019-01-22 06:38:26
History
DateUserTypeResult
2025-03-28James HeinrichF
Factor: 2172157395847129290631 / TF: 70-71
2019-01-22Smok_bmv F
Factor: 2172157395847129290631 / TF: 70-71*
2016-10-07ramgeisNF
no factor from 2^68 to 2^70
2015-06-30sasakiNF
no factor from 2^67 to 2^68
2014-12-06sasakiNF
no factor from 2^66 to 2^67
2012-02-12sasaki3NF
no factor from 2^65 to 2^66
2012-02-12sasaki3NF
no factor from 2^64 to 2^65
2010-07-12Architects CubedNF
no factor from 2^63 to 2^64