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
2483543
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4967087722.2old
12078562367931340.12008-07-14 20:24:14
ECM
DigitsB1Curves
2550000137 / 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 Kruse43787AB7E456CAB82114539353
Verified
PRP without proof (not generated)
2017-11-29storm551043787AB7E456CAB8286864753
History
DateUserTypeResult
2023-03-20Denial140NF-PM1B1=1000000, B2=6493617900
2022-08-18USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2483543/4967087/1207856236793 : 43787AB7E456CAB8
2017-10-14Oliver KruseC-PRPM2483543/4967087/1207856236793 : 43787AB7E456CAB8
2008-07-14George WoltmanF-ECMFactor: 1207856236793