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

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MnStatusDetails
38003759Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32618920496177721155272271.52019-03-27 19:42:50
LL
StatusDateUserResidueShift
Verified (Factored)2009-06-14-Anonymous-81F1485CCBD2F0B729675977
Verified (Factored)2015-08-17pbguy81F1485CCBD2F0B76975533
History
DateUserTypeResult
2019-03-27ConductorF
Factor: 3261892049617772115527 / TF: 71-72
2015-08-17pbguyC-LL
81F1485CCBD2F0B7
2014-12-10NickOfTimeNF
no factor from 2^70 to 2^71
2014-10-10HBendtzNF
no factor from 2^69 to 2^70
2014-09-06HBendtzNF-PM1
B1=615000, B2=12000000, E=12
2013-08-16Torben K.NF
no factor from 2^68 to 2^69
2009-06-14-Anonymous-C-LL
81F1485CCBD2F0B7
2008-12-18-Anonymous-NF-PM1
B1=610000