Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
94351Factored
FactorDigitsBitsDate
180440028284852331754.0old
6251355709538509691859.12011-01-21 18:05:36
1253868879799907099772166.82008-08-26 20:11:44
153838955725811223477553040612323523937120.22016-12-24 08:21:21
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000378 / 1566
Estimated T-Level: 31.2 ⓘ
TF below 2^99 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse1A4310A0F50B33324013
Verified2017-10-02kkmrkkblmbrbk1A4310A0F50B33324013
Verified2017-12-07ATH1A4310A0F50B333246671013
Verified2020-04-17Oliver KruseB70B6B803BA98A2D43064253
Verified2024-02-03Wentao HuangB70B6B803BA98A2D41359853
P-1 factors
DateFactorB1B2
2016-12-2415383895572581122347755304061232352391000000002000000000
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M94351/18044002828485233/125386887979990709977/625135570953850969/1538389557258112234775530406123235239 : B70B6B803BA98A2D
PRP: Verified
PRP without proof (small exponent)
2022-08-03George WoltmanNF-PM1
B1=1000000000, B2=70552596864750
2022-07-27George WoltmanNF-PM1
B1=1000000000
2021-04-29nordiNF-PP1
Start=6/5, B1=40000000, B2=5240000000
2021-04-23nordiNF-PP1
Start=2/7, B1=40000000, B2=5240000000
2020-04-17Oliver KruseC-PRP
M94351/18044002828485233/625135570953850969/125386887979990709977/1538389557258112234775530406123235239 : B70B6B803BA98A2D
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M94351/18044002828485233/625135570953850969/125386887979990709977/1538389557258112234775530406123235239 : 1A4310A0F50B3332
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M94351/18044002828485233/625135570953850969/125386887979990709977/1538389557258112234775530406123235239 : 1A4310A0F50B3332
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M94351/18044002828485233/125386887979990709977/625135570953850969/1538389557258112234775530406123235239 : 1A4310A0F50B3332
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M94351/18044002828485233/125386887979990709977/625135570953850969/1538389557258112234775530406123235239 : 1A4310A0F50B3332
PRP without proof (not generated)
2016-12-24kkmrkkblmbrbkF-PM1
Factor: 1538389557258112234775530406123235239 / (P-1, B1=100000000, B2=2000000000, E=12)
2011-01-21James HintzF-ECM
Factor: 625135570953850969
2008-08-26-Anonymous-F-ECM
Factor: 125386887979990709977