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
6427Factored
FactorDigitsBitsDate
10951609823.4old
39599189271031.9old
522354682091135.6old
10489980535090826659030170826145575936116.3old
957110989345065836225140447332445942513814098336749162.72021-03-27 16:50:15
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001291 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseD803729189C9F3E04013
Verified (Factored)2017-10-02kkmrkkblmbrbkD803729189C9F3E04013
Verified (Factored)2017-12-07ATHD803729189C9F3E04619113
Verified (Factored)2020-04-17Oliver Kruse57D8C2AAE6F89B564323853
Verified2021-03-29mnd957D8C2AAE6F89B565434353
Verified2021-03-30rbanov57D8C2AAE6F89B565185753
Verified2021-03-30mnd957D8C2AAE6F89B565169853
History
DateUserTypeResult
2023-08-06-Anonymous-NF-PM1
B1=38000000000, B2=159110268557139900
2021-08-02ViliamFNF-PM1
B1=500000000, B2=90500000000
2021-03-30mnd9C-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759/9571109893450658362251404473324459425138140983367 : 57D8C2AAE6F89B56
PRP: Verified
PRP without proof (small exponent)
2021-03-30rbanovC-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759/9571109893450658362251404473324459425138140983367 : 57D8C2AAE6F89B56
PRP: Verified
PRP without proof (small exponent)
2021-03-29mnd9C-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759/9571109893450658362251404473324459425138140983367 : 57D8C2AAE6F89B56
PRP: Verified
PRP without proof (small exponent)
2021-03-27Ryan PropperF-ECM
Factor: 9571109893450658362251404473324459425138140983367 / (ECM curve 1, B1=43000000, B2=198654756318, Sigma=11681063141336348951)
2020-04-17Oliver KruseC-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759 : 57D8C2AAE6F89B56
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759 : D803729189C9F3E0
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M6427/10951609/3959918927/52235468209/104899805350908266590301708261455759 : D803729189C9F3E0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6427/known_factors : D803729189C9F3E0
PRP without proof (not generated)