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
4057Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
97369516.6old
94217171531033.1old
80788401366220391652.8old
10240303692630819131959.8old
22881971396622260940573357738069424496939127.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000018980 / 40830
Estimated T-Level: 52.3
TF below 2^169 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse698122882372B0A95013
Verified2017-10-02kkmrkkblmbrbk698122882372B0A95013
Verified2017-12-07ATH698122882372B0A95354713
Verified2020-04-17Oliver KruseA7919359AF72F63E515553
Verified2024-02-03Wentao HuangA7919359AF72F63E5180353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M4057/97369/9421717153/8078840136622039/1024030369263081913/228819713966222609405733577380694244969 : A7919359AF72F63E
PRP: Verified
PRP without proof (small exponent)
2023-05-16-Anonymous-NF-PM1
B1=80000000000, B2=805164698570622390
2021-08-27Seth_TrNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M4057/97369/9421717153/8078840136622039/1024030369263081913/228819713966222609405733577380694244969 : A7919359AF72F63E
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M4057/97369/9421717153/8078840136622039/1024030369263081913/228819713966222609405733577380694244969 : 698122882372B0A9
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M4057/97369/9421717153/8078840136622039/1024030369263081913/228819713966222609405733577380694244969 : 698122882372B0A9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4057/known_factors : 698122882372B0A9
PRP without proof (not generated)