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
207102967Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1081998010628335555192166.62015-10-06 06:27:22
History
DateUserTypeResult
2015-10-06ConductorF
Factor: 108199801062833555519 / TF: 66-67
2013-12-27sasakiNF
no factor from 2^65 to 2^66
2011-05-11c10ck3rNF
no factor from 2^64 to 2^65