Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
4357Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4336096236574760411246671723582332105.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014163 / 40830
Estimated T-Level: 51.7
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse1801BA82740314C81013
Verified2017-10-12kkmrkkblmbrbk1801BA82740314C81138913
Verified2020-04-17Oliver Kruse38E186E1015E2D381291453
Verified2024-02-03Wentao Huang38E186E1015E2D381287153
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M4357/43360962365747604112466717235823 : 38E186E1015E2D38
PRP: Verified
PRP without proof (small exponent)
2023-05-21-Anonymous-NF-PM1
B1=74000000000, B2=741754046177194050
2021-07-06ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M4357/43360962365747604112466717235823 : 38E186E1015E2D38
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M4357/43360962365747604112466717235823 : 1801BA82740314C8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4357/43360962365747604112466717235823 : 1801BA82740314C8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4357/43360962365747604112466717235823 : 1801BA82740314C8
PRP without proof (not generated)