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

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MnStatusDetails
79047317Factored
FactorDigitsBitsDate
19706189612677258213489932580.72016-08-09 04:45:21
P-1 factors
DateFactorB1B2
2016-08-09197061896126772582134899366500013133750
History
DateUserTypeResult
2016-08-09HBendtzF-PM1
Factor: 1970618961267725821348993 / (P-1, B1=665000, B2=13133750, E=12)
2016-07-08AirSquirrelsNF
no factor from 2^74 to 2^75
2016-07-08AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-05RichD0NF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^63 to 2^64
2016-02-15RichD0NF
no factor from 2^71 to 2^72
2013-06-16SMoffatNF
no factor from 2^70 to 2^71
2013-01-23irreally9002NF
no factor from 2^69 to 2^70
2013-01-22irreally9002NF
no factor from 2^68 to 2^69
2011-04-07Carsten KossendeyNF
no factor from 2^67 to 2^68
2011-04-07Carsten KossendeyNF
no factor from 2^65 to 2^67
2010-11-21-Anonymous-NF
no factor from 2^64 to 2^65