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
11717Factored
FactorDigitsBitsDate
505302180661511445.5old
5440495829794791549.02008-08-26 19:58:35
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001310 / 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
Verified2017-09-21Oliver Kruse8A6EDE543BF37B452013
Verified2017-10-12kkmrkkblmbrbk8A6EDE543BF37B4521114113
Unverified2020-04-17Oliver Kruse203BBC4B43EF20__21014653
History
DateUserTypeResult
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11717/50530218066151/544049582979479 : 203BBC4B43EF20__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M11717/50530218066151/544049582979479 : 8A6EDE543BF37B45
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11717/50530218066151/544049582979479 : 8A6EDE543BF37B45
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11717/50530218066151/544049582979479 : 8A6EDE543BF37B45
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-26-Anonymous-F-PM1
Factor: 544049582979479