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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MnDetails
2494357
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
458961689928.8old
5805885507604571549.02014-04-22 10:37:36
98546946405741182811963.12016-12-13 12:16:02
ECM
DigitsB1Curves
2550000136 / 280
Estimated T-Level: 22.4
TF below 2^70 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse62B2D118045513453188112553
Verified
PRP without proof (not generated)
2017-11-30storm551062B2D118045513453211461753
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-30storm5510C-PRPM2494357/458961689/580588550760457/9854694640574118281 : 62B2D11804551345
2017-10-14Oliver KruseC-PRPM2494357/458961689/580588550760457/9854694640574118281 : 62B2D11804551345
2016-12-13TJAOIFFactor: 9854694640574118281
2014-04-22TJAOIFFactor: 580588550760457