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
260647Factored
FactorDigitsBitsDate
15117527823.8old
36678475209371341.72008-07-21 09:15:13
13645613867920521064689559612890.12021-03-05 12:12:33
ECM
DigitsB1Curves
2550000280 / 280
30250000416 / 640
Estimated T-Level: 28.3
TF below 2^89 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse351121D975B11DAB2013
Verified (Factored)2017-10-12Oliver Kruse351121D975B11DAB219296913
Verified (Factored)2017-11-06kkmrkkblmbrbk351121D975B11DAB210947513
Verified (Factored)2020-04-17Oliver Kruse9185750EAC68B412221869453
Verified2021-03-05mnd99185750EAC68B41239602553
Verified2021-03-06xyuzyz9185750EAC68B41236952353
History
DateUserTypeResult
2022-05-03Oliver KruseNF-PM1
B1=30000000, B2=10035812696910
2021-09-13Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2021-03-06xyuzyzC-PRP
M260647/15117527/3667847520937/1364561386792052106468955961 : 9185750EAC68B412
PRP: Verified
PRP without proof (small exponent)
2021-03-05mnd9C-PRP
M260647/15117527/3667847520937/1364561386792052106468955961 : 9185750EAC68B412
PRP: Verified
PRP without proof (small exponent)
2021-03-05_p95holder_F-ECM
Factor: 1364561386792052106468955961 / (ECM curve 2, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M260647/15117527/3667847520937 : 9185750EAC68B412
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M260647/15117527/3667847520937 : 351121D975B11DAB
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M260647/15117527/3667847520937 : 351121D975B11DAB
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M260647/15117527/3667847520937 : 351121D975B11DAB
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M260647/15117527/3667847520937 : 351121D975B11DAB
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 3667847520937