Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
73491811Factored
FactorDigitsBitsDate
29619065479793278439259722892891.32015-09-27 14:51:11
P-1 factors
DateFactorB1B2
2015-09-27296190654797932784392597228963000012757500
History
DateUserTypeResult
2015-09-27TheJudgerF-PM1
Factor: 2961906547979327843925972289 / (P-1, B1=630000, B2=12757500, E=12)
2015-09-18AirSquirrelsNF
no factor from 2^74 to 2^75
2015-09-18AirSquirrelsNF
no factor from 2^73 to 2^74
2015-09-18AirSquirrelsNF
no factor from 2^72 to 2^73
2015-04-14srow7NF
no factor from 2^71 to 2^72
2013-08-04EratosthenesNF
no factor from 2^70 to 2^71
2012-10-15LurkerNF
no factor from 2^69 to 2^70
2010-11-24-Anonymous-NF
no factor from 2^68 to 2^69
2010-11-18-Anonymous-NF
no factor from 2^67 to 2^68
2010-11-14-Anonymous-NF
no factor from 2^66 to 2^67
2010-06-08GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-06-07-Anonymous-NF
no factor from 2^64 to 2^65
2008-06-28George WoltmanNF
no factor to 2^64