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
478800199Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6488947752444840043672169.12017-12-11 05:53:22
History
DateUserTypeResult
2017-12-11ky0urakuF
Factor: 648894775244484004367 / TF: 69-70
2017-12-05ky0urakuNF
no factor from 2^68 to 2^69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-03-14sasakiNF
no factor from 2^66 to 2^67
2014-10-10ANONYMOUSNF
no factor from 2^65 to 2^66