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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
95369Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2979958902791238.1old
64882315474811342.62008-08-26 20:11:49
1230668775238811546.82008-08-26 20:11:49
2859271468454471548.02008-08-26 20:11:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000548 / 4588
Estimated T-Level: 35.6
TF below 2^113 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse78A4753C18A69F7B4013
Verified2017-10-02kkmrkkblmbrbk78A4753C18A69F7B4013
Verified2017-12-07ATH78A4753C18A69F7B42827813
Verified2020-04-17Oliver KruseF219F409CC4FD64E48984953
Verified2024-02-03Wentao HuangF219F409CC4FD64E44820653
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M95369/297995890279/6488231547481/123066877523881/285927146845447 : F219F409CC4FD64E
PRP: Verified
PRP without proof (small exponent)
2022-08-13George WoltmanNF-PM1
B1=1000000000, B2=70541506035000
2021-04-29nordiNF-PP1
Start=6/5, B1=40000000, B2=2000000000
2021-04-23nordiNF-PP1
Start=2/7, B1=40000000, B2=2000000000
2020-04-17Oliver KruseC-PRP
M95369/297995890279/6488231547481/123066877523881/285927146845447 : F219F409CC4FD64E
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M95369/297995890279/6488231547481/123066877523881/285927146845447 : 78A4753C18A69F7B
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M95369/297995890279/6488231547481/123066877523881/285927146845447 : 78A4753C18A69F7B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M95369/known_factors : 78A4753C18A69F7B
PRP without proof (not generated)
2017-01-01kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F
Factor: 285927146845447
2008-08-26-Anonymous-F-PM1
Factor: 123066877523881
2008-08-26-Anonymous-F
Factor: 6488231547481