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
100649Factored
FactorDigitsBitsDate
2385580585031237.8old
51991600087927271652.22008-08-26 20:11:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000274 / 1566
Estimated T-Level: 30.9
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseD69E7EDD947299132013
Verified2017-10-13kkmrkkblmbrbkD69E7EDD947299132450113
Verified2020-04-17Oliver KruseA074B763A0899C632670353
Verified2022-04-15LordJuliusA074B763A0899C6324946653
History
DateUserTypeResult
2022-10-24LordJuliusNF
no factor from 2^66 to 2^67
2022-10-23LordJuliusNF
no factor from 2^65 to 2^66
2022-10-23LordJuliusNF
no factor from 2^64 to 2^65
2022-10-23LordJuliusNF
no factor from 2^63 to 2^64
2022-10-23LordJuliusNF
no factor from 2^62 to 2^63
2022-04-15LordJuliusC-PRP
M100649/238558058503/5199160008792727 : A074B763A0899C63
PRP: Verified
PRP without proof (small exponent)
2022-04-13LordJuliusNF
no factor from 2^61 to 2^62
2022-04-13LordJuliusNF
no factor from 2^60 to 2^61
2022-04-13LordJuliusNF
no factor from 2^59 to 2^60
2022-04-13LordJuliusNF
no factor from 2^58 to 2^59
2022-04-13LordJuliusNF
no factor from 2^57 to 2^58
2021-12-16Seth_TrNF-PM1
B1=1000000000, B2=40982915833860
2020-04-17Oliver KruseC-PRP
M100649/238558058503/5199160008792727 : A074B763A0899C63
PRP: Verified
PRP without proof (small exponent)
2018-11-01J.R. AllenNF
no factor from 2^59 to 2^60
2018-11-01J.R. AllenNF
no factor from 2^58 to 2^59
2018-11-01J.R. AllenNF
no factor from 2^57 to 2^58
2018-11-01J.R. AllenNF
no factor from 2^53 to 2^57
2017-10-13kkmrkkblmbrbkC-PRP
M100649/238558058503/5199160008792727 : D69E7EDD94729913
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M100649/238558058503/5199160008792727 : D69E7EDD94729913
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M100649/238558058503/5199160008792727 : D69E7EDD94729913
PRP without proof (not generated)
2016-10-31kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F
Factor: 5199160008792727