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
490027583Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
40965384256974157572492271.82020-01-07 17:50:29
History
DateUserTypeResult
2025-04-16James HeinrichF
Factor: 4096538425697415757249 / TF: 71-72
2020-01-07Smok_bmv F
Factor: 4096538425697415757249 / TF: 71-72*
2020-01-07Smok_bmv NF
no factor from 2^70 to 2^71
2018-05-16sasakiNF
no factor from 2^69 to 2^70
2018-02-25sasakiNF
no factor from 2^68 to 2^69
2014-06-06The MawnNF
no factor from 2^66 to 2^68
2011-10-11delta_tNF
no factor from 2^64 to 2^66
2010-04-03Architects CubedNF
no factor from 2^63 to 2^64