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
13873Factored
FactorDigitsBitsDate
15620999823.9old
202343600947504413896106239266036690337120.62017-06-03 12:59:50
4650479390567668303978033887778436048680741135.12023-06-15 05:30:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001257 / 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
Verified (Factored)2017-09-21Oliver KruseC82C51172773A8402013
Verified (Factored)2017-10-02kkmrkkblmbrbkC82C51172773A8402013
Verified (Factored)2017-12-07ATHC82C51172773A84021353413
Verified (Factored)2020-04-17Oliver Kruse4117A74B4920CE9621159953
Verified2023-06-15Denial1404117A74B4920CE96336153
Verified2023-06-15/r/counting4117A74B4920CE963672153
Verified2023-06-15Denial1404117A74B4920CE963662753
History
DateUserTypeResult
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-06-15Denial140C-PRP
M13873/15620999/2023436009475044138961062392660366903/46504793905676683039780338877784360486807 : 4117A74B4920CE96
PRP: Verified
PRP without proof (small exponent)
2023-06-15/r/countingC-PRP
M13873/15620999/2023436009475044138961062392660366903/46504793905676683039780338877784360486807 : 4117A74B4920CE96
PRP: Verified
PRP without proof (small exponent)
2023-06-15Denial140C-PRP
M13873/15620999/2023436009475044138961062392660366903/46504793905676683039780338877784360486807 : 4117A74B4920CE96
PRP: Verified
PRP without proof (small exponent)
2023-06-15Denial140F-ECM
Factor: 46504793905676683039780338877784360486807 / (ECM curve 106, B1=3000000, B2=22972799850, Sigma=4492981475494398)
2023-05-22JacobZNF-PM1
B1=7900000000, B2=32522539163164050
2023-02-11USAFSSNF-PM1
B1=10000000, B2=704560436580
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M13873/15620999/2023436009475044138961062392660366903 : 4117A74B4920CE96
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13873/15620999/2023436009475044138961062392660366903 : C82C51172773A840
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13873/15620999/2023436009475044138961062392660366903 : C82C51172773A840
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13873/15620999/2023436009475044138961062392660366903 : C82C51172773A840
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13873/15620999/2023436009475044138961062392660366903 : C82C51172773A840
PRP without proof (not generated)
2017-06-03kkmrkkblmbrbkF-ECM
Factor: 2023436009475044138961062392660366903 / (ECM curve 962, B1=1000000, B2=100000000)