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
2434423
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
3634350096711238.4old
ECM
DigitsB1Curves
2550000128 / 280
Estimated T-Level: 22.3
TF below 2^69 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 Kruse23EF91F29E02DFF61150279853
Verified
PRP without proof (not generated)
2017-11-27storm551023EF91F29E02DFF61123853653
History
DateUserTypeResult
2018-09-28alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-27storm5510C-PRPM2434423/363435009671 : 23EF91F29E02DFF6
2017-10-13Oliver KruseC-PRPM2434423/363435009671 : 23EF91F29E02DFF6