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
2361977
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
1079092812231236.7old
ECM
DigitsB1Curves
2550000261 / 280
Estimated T-Level: 24.7
TF below 2^77 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-12Oliver KruseCF79A42F9BCA92F71172895953
Verified
PRP without proof (not generated)
2017-11-24storm5510CF79A42F9BCA92F7166969653
History
DateUserTypeResult
2018-04-27alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-24storm5510C-PRPM2361977/107909281223 : CF79A42F9BCA92F7
2017-10-12Oliver KruseC-PRPM2361977/107909281223 : CF79A42F9BCA92F7