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
491011783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32073902555697917085612271.42020-01-07 18:15:44
History
DateUserTypeResult
2025-04-16James HeinrichF
Factor: 3207390255569791708561 / TF: 71-72
2020-01-07Smok_bmv F
Factor: 3207390255569791708561 / TF: 71-72*
2020-01-07Smok_bmv NF
no factor from 2^70 to 2^71
2018-05-22sasakiNF
no factor from 2^69 to 2^70
2018-02-25sasakiNF
no factor from 2^68 to 2^69
2014-06-15The MawnNF
no factor from 2^66 to 2^68
2012-08-23c10ck3rNF
no factor from 2^65 to 2^66
2011-12-18Tomas BabejNF
no factor from 2^64 to 2^65
2010-04-03Architects CubedNF
no factor from 2^63 to 2^64