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
6047Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
313012674340133991754.8old
1614712227715921611857.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003946 / 16550
Estimated T-Level: 46.2
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse1D3E7C5115BBE9F42013
Verified2017-10-12kkmrkkblmbrbk1D3E7C5115BBE9F42586013
Verified2020-04-17Oliver KruseDF9D96B94ED0B5742519253
Verified2024-02-03Wentao HuangDF9D96B94ED0B574299553
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6047/31301267434013399/161471222771592161 : DF9D96B94ED0B574
PRP: Verified
PRP without proof (small exponent)
2023-07-27-Anonymous-NF-PM1
B1=41000000000, B2=167114967216697500
2021-07-07ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M6047/31301267434013399/161471222771592161 : DF9D96B94ED0B574
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6047/31301267434013399/161471222771592161 : 1D3E7C5115BBE9F4
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6047/31301267434013399/161471222771592161 : 1D3E7C5115BBE9F4
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6047/31301267434013399/161471222771592161 : 1D3E7C5115BBE9F4
PRP without proof (not generated)