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
2305627
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
36890033825.1old
238445615694324124373272374.32022-11-04 05:47:16
ECM
DigitsB1Curves
2550000280 / 280
30250000125 / 640
Estimated T-Level: 26.0
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-11Oliver Kruse69250B3E59BDC8E31013
Factored
PRP without proof (not generated)
2017-11-22storm551069250B3E59BDC8E316831613
Verified
Certified Good
2022-11-04Kevin_9611CED42E61587F0F3C2144420653
History
DateUserTypeResult
2022-11-04curtiscCERT
Proof certified good
2022-11-04Kevin_9611C-PRPM2305627/36890033/23844561569432412437327 : CED42E61587F0F3C
Proof Certified Good

Proof Power: 7

2022-11-04NesowaF-ECMFactor: 23844561569432412437327 / ECM curve 4, B1=50000, B2=27023535, Montgomery Sigma=911085140028504
2021-06-11ViliamFNF-PM1B1=5000000, B2=505000000
2018-02-19alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-22storm5510C-PRPM2305627/36890033 : 69250B3E59BDC8E3
2017-10-11Oliver KruseC-PRPM2305627/36890033 : 69250B3E59BDC8E3