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
478899203Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5565403127824006094172168.92017-12-06 05:07:16
History
DateUserTypeResult
2017-12-06ky0urakuF
Factor: 556540312782400609417 / TF: 68-69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-09sasakiNF
no factor from 2^66 to 2^67
2014-10-10sannerud.comNF
no factor from 2^65 to 2^66