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

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MnStatusDetails
71276267Factored
FactorDigitsBitsDate
1216943242918647514385962068173633211138123.22015-01-25 16:11:04
P-1 factors
DateFactorB1B2
2015-01-25121694324291864751438596206817363321116600000
History
DateUserTypeResult
2015-01-25TheJudgerF-PM1
Factor: 12169432429186475143859620681736332111 / (P-1, B1=660000)
2014-11-14Craig MeyersNF
no factor from 2^71 to 2^74
2012-12-04Clown_RoyalNF
no factor from 2^70 to 2^71
2012-05-07Ujjwal ChaliseNF
no factor from 2^69 to 2^70
2010-09-03BranMuffinNF
no factor from 2^68 to 2^69
2010-06-27SADMASTERNF
no factor from 2^67 to 2^68
2010-06-21-Anonymous-NF
no factor from 2^66 to 2^67
2010-06-21-Anonymous-NF
no factor from 2^65 to 2^66
2010-03-17Per JessenNF
no factor from 2^64 to 2^65
2008-10-21Wojciech FlorekNF
no factor to 2^64