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

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MnStatusDetails
72181471Factored
FactorDigitsBitsDate
134853170339970387461499132683.52014-09-05 21:14:51
P-1 factors
DateFactorB1B2
2014-09-051348531703399703874614991366500013632500
History
DateUserTypeResult
2014-09-05Todd WalkeF-PM1
Factor: 13485317033997038746149913 / (P-1, B1=665000, B2=13632500, E=6)
2014-08-26NickOfTimeNF
no factor from 2^73 to 2^74
2014-08-26NickOfTimeNF
no factor from 2^72 to 2^73
2012-10-03SWL551NF
no factor from 2^71 to 2^72
2012-10-03SWL551NF
no factor from 2^70 to 2^71
2012-10-03SWL551NF
no factor from 2^69 to 2^70
2010-09-16HighPriceRanchNF
no factor from 2^68 to 2^69
2010-09-14eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-05-13-Anonymous-NF
no factor from 2^66 to 2^67
2010-05-11Kevin BrushNF
no factor from 2^65 to 2^66
2010-05-10symalladNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64