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
630521Factored
FactorDigitsBitsDate
1793179295825126198172167.32008-01-21 17:50:30
ECM
DigitsB1Curves
2550000280 / 280
30250000214 / 640
Estimated T-Level: 26.7 ⓘ
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-27Oliver KruseED13BFE367CEA9641013
Verified2017-09-28Oliver KruseED13BFE367CEA9641013
Verified2017-11-08kkmrkkblmbrbkED13BFE367CEA964114062313
Unverified (Reliable)2020-04-19Oliver Kruse33D17BD953EF66__162632853
History
DateUserTypeResult
2023-01-14USAFSSNF-PM1
B1=2000000, B2=6199753560
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-19Oliver KruseC-PRP
M630521/179317929582512619817 : 33D17BD953EF66__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M630521/179317929582512619817 : ED13BFE367CEA964
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M630521/179317929582512619817 : ED13BFE367CEA964
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M630521/179317929582512619817 : ED13BFE367CEA964
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12
2008-01-21Team_BunduF-ECM
Factor: 179317929582512619817