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
207153547Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1302650712910448988072166.82015-10-09 15:48:05
History
DateUserTypeResult
2015-10-09ConductorF
Factor: 130265071291044898807 / TF: 66-67
2013-12-27sasakiNF
no factor from 2^65 to 2^66
2011-05-10ZIM30NF
no factor from 2^64 to 2^65