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

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MnStatusDetails
100214489Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6152699715918204367503372479.02020-09-19 21:41:40
P-1 factors
DateFactorB1B2
2020-09-1961526997159182043675033784000017220000
History
DateUserTypeResult
2020-09-19ky0urakuF-PM1
Factor: 615269971591820436750337 / (P-1, B1=840000, B2=17220000, E=12)
2020-07-17ktonyNF
no factor from 2^75 to 2^76
2020-06-10lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-03-04ixfd64NF
no factor from 2^73 to 2^74
2020-02-10el groccoNF
no factor from 2^72 to 2^73
2014-11-24shaugeNF
no factor from 2^71 to 2^72
2013-09-16processinfoNF
no factor from 2^70 to 2^71
2012-10-17Norman LeyNF
no factor from 2^69 to 2^70
2011-04-19Craig MeyersNF
no factor from 2^68 to 2^69
2011-04-19Craig MeyersNF
no factor from 2^67 to 2^68
2011-03-09Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-05Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09MarzbugNF
no factor from 2^64 to 2^65
2010-01-261997rj7NF
no factor from 2^63 to 2^64