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

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MnStatusDetails
101398441Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
414182651292532374653655292685.12020-12-05 18:54:04
P-1 factors
DateFactorB1B2
2020-12-0541418265129253237465365529750000750000
History
DateUserTypeResult
2020-12-05ky0urakuF-PM1
Factor: 41418265129253237465365529 / (P-1, B1=750000)
2020-10-11Hans LoeblichNF
no factor from 2^74 to 2^76
2020-03-29SRBaseNF
no factor from 2^73 to 2^74
2019-12-05TheGazManNF
no factor from 2^72 to 2^73
2014-12-04Simon HarrisonNF
no factor from 2^71 to 2^72
2013-08-31RobishNF
no factor from 2^70 to 2^71
2013-08-30RobishNF
no factor from 2^69 to 2^70
2013-08-28RobishNF
no factor from 2^68 to 2^69
2013-08-27RobishNF
no factor from 2^67 to 2^68
2013-08-27-Anonymous-NF
no factor from 2^66 to 2^67
2012-04-15Mr-PlonkNF
no factor from 2^65 to 2^66
2010-08-13oodairaNF
no factor from 2^64 to 2^65
2010-03-011997rj7NF
no factor from 2^63 to 2^64