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
188333Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
59524519608072136141932972582.32016-06-17 12:26:28
241619256097816174002130632684.32008-09-11 21:44:52
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000231 / 1566
Estimated T-Level: 30.7
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Amdahl 6 - 19892CD054A40
Verified (Factored)Laurent HodgesB82038912CD054A40
Verified (Factored)Brian J. BeesleyB82038912CD054A40
Verified (Factored)Eivind TrielB82038912CD054A446974
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseF8A3480873940DF52013
Verified2017-09-22Oliver KruseF8A3480873940DF52013
Verified2017-11-06kkmrkkblmbrbkF8A3480873940DF5214272213
Verified2020-04-17Oliver Kruse0F24705FD23A172C27891353
Verified2023-08-24USAFSS0F24705FD23A172C2978953
History
DateUserTypeResult
2023-08-24]mh[ VirtekCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M188333/5952451960807213614193297/24161925609781617400213063 : 0F24705FD23A172C
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M188333/5952451960807213614193297/24161925609781617400213063 : 0F24705FD23A172C
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M188333/5952451960807213614193297/24161925609781617400213063 : F8A3480873940DF5
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M188333/24161925609781617400213063/5952451960807213614193297 : F8A3480873940DF5
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M188333/24161925609781617400213063/5952451960807213614193297 : F8A3480873940DF5
PRP without proof (not generated)
2017-07-21kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2016-06-17TJAOIF-ECM
Factor: 5952451960807213614193297
2008-09-11Sturle SundeF-ECM
Factor: 24161925609781617400213063