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

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MnDetails
2436107
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
74650247910840731652.7old
ECM
DigitsB1Curves
2550000175 / 280
Estimated T-Level: 23.1
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-13Oliver KruseCFB005B265C565E2117452053
Verified
PRP without proof (not generated)
2017-11-27storm5510CFB005B265C565E21151395753
History
DateUserTypeResult
2018-09-28alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-27storm5510C-PRP
M2436107/7465024791084073 : CFB005B265C565E2
2017-10-13Oliver KruseC-PRP
M2436107/7465024791084073 : CFB005B265C565E2