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
249859Factored
FactorDigitsBitsDate
106041858641211443.3old
1590503572895277623266453612787.02017-08-04 10:33:30
13621942965193033096569104572890.12020-08-04 04:12:00
ECM
DigitsB1Curves
2550000280 / 280
30250000568 / 640
Estimated T-Level: 29.4
TF below 2^93 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse0F2E0812A77CFB7D2013
Verified (Factored)2017-10-12kkmrkkblmbrbk0F2E0812A77CFB7D223133513
Verified (Factored)2020-04-17Oliver Kruse174D0503C78BC7F523368153
Verified2020-08-04mnd9174D0503C78BC7F5318184553
Verified2020-08-04mnd9174D0503C78BC7F5317800853
Verified2020-08-04atrench174D0503C78BC7F5313311753
History
DateUserTypeResult
2022-04-19Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-08-11Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-08-04atrenchC-PRP
M249859/10604185864121/159050357289527762326645361/1362194296519303309656910457 : 174D0503C78BC7F5
PRP: Verified
PRP without proof (small exponent)
2020-08-04mnd9C-PRP
M249859/10604185864121/159050357289527762326645361/1362194296519303309656910457 : 174D0503C78BC7F5
PRP: Verified
PRP without proof (small exponent)
2020-08-04mnd9C-PRP
M249859/10604185864121/159050357289527762326645361/1362194296519303309656910457 : 174D0503C78BC7F5
PRP: Verified
PRP without proof (small exponent)
2020-08-04_p95holder_F-ECM
Factor: 1362194296519303309656910457 / (ECM curve 1, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M249859/10604185864121/159050357289527762326645361 : 174D0503C78BC7F5
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M249859/10604185864121/159050357289527762326645361 : 0F2E0812A77CFB7D
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M249859/known_factors : 0F2E0812A77CFB7D
PRP without proof (not generated)
2017-08-04TJAOIF-ECM
Factor: 159050357289527762326645361 / (ECM curve 6, B1=250000, B2=25000000)