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
556949891Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3072115332385393307272168.12018-05-26 04:17:24
History
DateUserTypeResult
2018-05-26YxinityF
Factor: 307211533238539330727 / TF: 68-70
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-12-06sasakiNF
no factor from 2^66 to 2^67
2014-09-15sasakiNF
no factor from 2^65 to 2^66
2012-01-05sasaki3NF
no factor from 2^64 to 2^65