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
582601Factored
FactorDigitsBitsDate
8319300868555791611859.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver Kruse310AF20608E6973D1013
Verified2017-09-28Oliver Kruse310AF20608E6973D1013
Verified2017-11-08kkmrkkblmbrbk310AF20608E6973D137043113
Unverified (Reliable)2020-04-19Oliver Kruse756396C0C09404__110548353
Verified2021-03-17Team_Inspector310AF20608E6973D155118513
P-1 factors
DateFactorB1B2
2021-03-1683193008685557916161322811
History
DateUserTypeResult
2022-12-25USAFSSNF-PM1
B1=1750000, B2=5399784390
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-03-17Team_InspectorC-PRP
M582601/831930086855579161 : 310AF20608E6973D
PRP: Verified
PRP without proof (small exponent)
2021-03-16manrusF-PM1
Factor: 831930086855579161 / (P-1, B1=613, B2=22811)
2020-04-19Oliver KruseC-PRP
M582601/831930086855579161 : 756396C0C09404__
PRP: Verified
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M582601/831930086855579161 : 310AF20608E6973D
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M582601/831930086855579161 : 310AF20608E6973D
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M582601/831930086855579161 : 310AF20608E6973D
PRP: Verified
PRP without proof (not generated)