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
2363261
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
12099896331030.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 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 Kruse6AB8D01D0144991814990653
Verified
PRP without proof (not generated)
2017-11-24storm55106AB8D01D014499181181762753
History
DateUserTypeResult
2018-04-27alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-24storm5510C-PRPM2363261/1209989633 : 6AB8D01D01449918
2017-10-12Oliver KruseC-PRPM2363261/1209989633 : 6AB8D01D01449918