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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
351229Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
10536871823.3old
5033436669261336820492168.82014-10-03 12:41:45
29631716207210972928932284312891.32017-10-27 12:35:10
ECM
DigitsB1Curves
2550000280 / 280
30250000525 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-23Oliver KruseC5C60119D519476D2013
Verified (Factored)2017-10-13Oliver KruseC5C60119D519476D29475813
Verified2017-10-28Oliver KruseF1391CCC2F7636DA325698553
Verified2017-10-28kkmrkkblmbrbkF1391CCC2F7636DA328643653
Verified2017-10-29Yaroslav BerezhkoF1391CCC2F7636DA318127853
History
DateUserTypeResult
2024-10-01yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2023-12-02USAFSSNF-PM1
B1=1800000, B2=9016821450
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2017-10-29Yaroslav BerezhkoC-PRP
M351229/10536871/503343666926133682049/2963171620721097292893228431 : F1391CCC2F7636DA
PRP: Verified
PRP without proof (small exponent)
2017-10-28kkmrkkblmbrbkC-PRP
M351229/10536871/503343666926133682049/2963171620721097292893228431 : F1391CCC2F7636DA
PRP: Verified
PRP without proof (small exponent)
2017-10-28Oliver KruseC-PRP
M351229/10536871/503343666926133682049/2963171620721097292893228431 : F1391CCC2F7636DA
PRP: Verified
PRP without proof (small exponent)
2017-10-27TJAOIF-ECM
Factor: 2963171620721097292893228431 / (ECM curve 27, B1=250000, B2=25000000)
2017-10-13Oliver KruseC-PRP
M351229/10536871/503343666926133682049 : C5C60119D519476D
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M351229/10536871/503343666926133682049 : C5C60119D519476D
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M351229/10536871/503343666926133682049 : C5C60119D519476D
PRP without proof (not generated)
2014-10-03TJAOIF-ECM
Factor: 503343666926133682049 / (ECM curve 43, B1=50000, B2=5000000)