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

PrimeNet Exponent Status

Exponent Range:





MnDetails
7085873
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
267420847031134.6old
1046779451271629032312166.52020-04-28 12:32:48
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-02-06ATH85FDEDD15676C3CA1705553953
Factored
PRP without proof (not generated)
2019-03-13kkmrkkblmbrbk85FDEDD15676C3CA1264900953
Verified
PRP without proof (not generated)
2020-04-28ATH85FDEDD15676C3CA2587334853
History
DateUserTypeResult
2024-01-07Stef42NF-PM1B1=2500000, B2=4620399630
2020-04-28ATHC-PRPM7085873/26742084703/104677945127162903231 : 85FDEDD15676C3CA
2020-04-28TJAOIFFactor: 104677945127162903231
2019-03-13kkmrkkblmbrbkC-PRPM7085873/26742084703 : 85FDEDD15676C3CA
2018-02-06ATHC-PRPM7085873/26742084703 : 85FDEDD15676C3CA