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
2162063Factored
FactorDigitsBitsDate
4324127722.0old
39015724072811341.82008-07-14 20:21:26
2631244380655190479432167.82022-10-06 15:35:13
ECM
DigitsB1Curves
2550000117 / 280
Estimated T-Level: 22.1
TF below 2^68 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-09Oliver Kruse13AD68117AED36242013
Verified (Factored)2017-11-18kkmrkkblmbrbk13AD68117AED36242190211313
Verified2022-10-08_p95holder_B8B448D4916A134E336691553
Verified2022-10-12Funky WaddleB8B448D4916A134E3137469553
History
DateUserTypeResult
2022-10-12Cosmos95CERT
PRP Certification
Proof certified good
2022-10-12Funky WaddleC-PRP
M2162063/4324127/3901572407281/263124438065519047943 : B8B448D4916A134E
PRP proof power = 7
PRP: Verified
Proof certified good
2022-10-08_p95holder_C-PRP
M2162063/4324127/3901572407281/263124438065519047943 : B8B448D4916A134E
PRP: Verified
PRP without proof (not generated)
2022-10-06_p95holder_F-ECM
Factor: 263124438065519047943 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-18kkmrkkblmbrbkC-PRP
M2162063/4324127/3901572407281 : 13AD68117AED3624
PRP: Verified
PRP without proof (not generated)
2017-10-09Oliver KruseC-PRP
M2162063/4324127/3901572407281 : 13AD68117AED3624
PRP: Verified
PRP without proof (not generated)
2016-04-03alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-14George WoltmanF-ECM
Factor: 3901572407281