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
25057Factored
FactorDigitsBitsDate
346399494231135.0old
40854197546626176268283593879893563336118.32016-12-10 20:15:35
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000813 / 4588
Estimated T-Level: 35.9 ⓘ
TF below 2^114 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse03AAA7520BCBD79B2013
Verified2017-10-02kkmrkkblmbrbk03AAA7520BCBD79B2013
Verified2017-12-07ATH03AAA7520BCBD79B249013
Verified2020-04-17Oliver KruseA0D89EDC38B5F40821677653
Verified2024-02-27Morgan SteelA0D89EDC38B5F40822161253
P-1 factors
DateFactorB1B2
2016-12-1040854197546626176268283593879893563350000000018755543263242
History
DateUserTypeResult
2024-02-27Morgan SteelC-PRP
M25057/408541975466261762682835938798935633/34639949423 : A0D89EDC38B5F408
PRP: Verified
PRP without proof (small exponent)
2024-02-27nordiNF-PM1
B1=8000000000, B2=2427250412837250
2023-04-27nordiNF-PM1
B1=8000000000
2020-04-17Oliver KruseC-PRP
M25057/34639949423/408541975466261762682835938798935633 : A0D89EDC38B5F408
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M25057/34639949423/408541975466261762682835938798935633 : 03AAA7520BCBD79B
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M25057/34639949423/408541975466261762682835938798935633 : 03AAA7520BCBD79B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M25057/34639949423/408541975466261762682835938798935633 : 03AAA7520BCBD79B
PRP without proof (not generated)
2016-12-10kkmrkkblmbrbkF-PM1
Factor: 408541975466261762682835938798935633 / (P-1, B1=500000000, B2=18755543263242)
2016-12-09kkmrkkblmbrbkNF-PM1
B1=500000000, B2=10000000000, E=12