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
407149783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16173577485694741329592270.52019-10-22 03:29:14
History
DateUserTypeResult
2019-10-22Smok_bmv F
Factor: 1617357748569474132959 / TF: 70-71
2018-09-18sasakiNF
no factor from 2^69 to 2^70
2017-09-13sasakiNF
no factor from 2^68 to 2^69
2014-06-08Carsten KossendeyNF
no factor from 2^65 to 2^68