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:










MnStatusDetails
3749833Factored
FactorDigitsBitsDate
427116464733001211755.2old
5909876706382206251112169.02022-05-27 19:19:56
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-20kkmrkkblmbrbk05FC631D984169DB1013
Verified (Factored)2017-12-04Oliver Kruse05FC631D984169DB1142123713
Verified2022-06-02XZT1F4EBC4D25FE57EA2226310153
P-1 factors
DateFactorB1B2
2022-05-27590987670638220625111200000130364850
History
DateUserTypeResult
2022-06-02Ben DeloCERT
PRP Certification
Proof certified good
2022-06-02XZTC-PRP
M3749833/42711646473300121/590987670638220625111 : 1F4EBC4D25FE57EA
PRP proof power = 7
PRP: Verified
Proof certified good
2022-05-27JossF-PM1
Factor: 590987670638220625111 / (P-1, B1=200000, B2=130364850)
2022-04-16JossNF-PM1
B1=200000
2017-12-04Oliver KruseC-PRP
M3749833/42711646473300121 : 05FC631D984169DB
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M3749833/42711646473300121 : 05FC631D984169DB
PRP: Verified (Factored)
PRP without proof (not generated)