Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
259001Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
115514447926.8old
184471620706269831754.02014-09-19 12:42:16
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000169 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse68B62DAC0AAA74622013
Verified2017-10-12Oliver Kruse68B62DAC0AAA7462214401313
Verified2017-11-06kkmrkkblmbrbk68B62DAC0AAA746223134913
Verified2020-04-17Oliver KruseBA143A94C9618E0225654353
Verified2024-07-27kkmrkkblmbrbkBA143A94C9618E02211241353
History
DateUserTypeResult
2024-07-27ManuelJCCERT
PRP Certification
Proof certified good
2024-07-27kkmrkkblmbrbkC-PRP
M259001/115514447/18447162070626983 : BA143A94C9618E02
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-01Oliver KruseNF-PM1
B1=30000000, B2=10035812696910
2021-09-02Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M259001/115514447/18447162070626983 : BA143A94C9618E02
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M259001/115514447/18447162070626983 : 68B62DAC0AAA7462
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M259001/115514447/18447162070626983 : 68B62DAC0AAA7462
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M259001/115514447/18447162070626983 : 68B62DAC0AAA7462
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M259001/115514447/18447162070626983 : 68B62DAC0AAA7462
PRP without proof (not generated)
2014-09-19TJAOIF-ECM
Factor: 18447162070626983 / (ECM curve 8, B1=50000, B2=5000000)