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
13963Factored
FactorDigitsBitsDate
335113618.4old
904928904791136.42008-08-26 19:58:41
625677325550461158972065.82008-08-29 02:24:33
470523948390897887119955772685.32008-08-29 02:24:33
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001325 / 9201
Estimated T-Level: 40.7 ⓘ
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse5584C9932BDD2AB54013
Verified2017-10-02kkmrkkblmbrbk5584C9932BDD2AB54013
Verified2017-12-07ATH5584C9932BDD2AB54544713
Unverified2020-04-17Oliver Kruse1E2F0F3C51AF0C__4312453
P-1 factors
DateFactorB1B2
2023-11-3062567732555046115897100000000000124499752678561264
History
DateUserTypeResult
2023-11-30Anton RepkoF-PM1
Factor: 62567732555046115897 / (P-1, B1=100000000000, B2=124499752678561260)
2023-05-22JacobZNF-PM1
B1=7800000000, B2=32022192391138950
2023-02-11USAFSSNF-PM1
B1=30000000, B2=2010341563230
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M13963/335113/90492890479/62567732555046115897/47052394839089788711995577 : 1E2F0F3C51AF0C__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13963/335113/90492890479/62567732555046115897/47052394839089788711995577 : 5584C9932BDD2AB5
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13963/335113/90492890479/62567732555046115897/47052394839089788711995577 : 5584C9932BDD2AB5
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13963/335113/90492890479/62567732555046115897/47052394839089788711995577 : 5584C9932BDD2AB5
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 47052394839089788711995577
2008-08-29-Anonymous-F-ECM
Factor: 62567732555046115897
2008-08-26-Anonymous-F
Factor: 90492890479