Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
975026029Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1992238806599182365592167.42015-12-27 14:49:13
History
DateUserTypeResult
2015-12-27ConductorF
Factor: 199223880659918236559 / TF: 67-68
2015-02-19Gordon SpenceNF
no factor from 2^66 to 2^67
2012-05-23lindedNF
no factor from 2^65 to 2^66
2010-12-03Ethan O'ConnorNF
no factor from 2^64 to 2^65
2010-04-01James HintzNF
no factor from 2^63 to 2^64