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
975990263Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
7027129893611239.42008-06-01 00:42:53
2386725628750731547.82014-03-14 11:27:50
528932847883482411755.62015-01-31 12:27:45
39281576464418539211961.82015-12-30 20:56:46
History
DateUserTypeResult
2023-05-28mikrNF
no factor from 2^67 to 2^73
2015-12-30ConductorF
Factor: 3928157646441853921 / TF: 1-62
2015-01-31TJAOIF
Factor: 52893284788348241 / TF: 55-56
2014-03-14TJAOIF
Factor: 238672562875073