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
246713Factored
FactorDigitsBitsDate
3845372476934091548.5old
7037851234605465472854219612789.22020-11-07 23:42:25
ECM
DigitsB1Curves
2550000280 / 280
30250000498 / 640
Estimated T-Level: 28.9
TF below 2^91 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse3F9D8ADA7E06C5561013
Verified (Factored)2017-10-12Oliver Kruse3F9D8ADA7E06C55618540413
Verified (Factored)2017-11-06kkmrkkblmbrbk3F9D8ADA7E06C556118563113
Verified (Factored)2020-04-17Oliver Kruse4D646D7A8DD1DF3715178453
Verified2020-11-08Ethan O'Connor4D646D7A8DD1DF37211923653
Verified2020-11-10fre_games4D646D7A8DD1DF3724579053
History
DateUserTypeResult
2022-04-14Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-08-01Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-11-10fre_gamesC-PRP
M246713/384537247693409/703785123460546547285421961 : 4D646D7A8DD1DF37
PRP: Verified
PRP without proof (small exponent)
2020-11-08Ben DeloCERT
PRP Certification
Proof certified good
2020-11-08Ethan O'ConnorC-PRP
M246713/384537247693409/703785123460546547285421961 : 4D646D7A8DD1DF37
PRP proof power = 5
PRP: Verified
Proof certified good
2020-11-07MarkSF-ECM
Factor: 703785123460546547285421961 / (ECM curve 7, B1=250000, B2=25000000, Sigma=2855591000294922)
2020-04-17Oliver KruseC-PRP
M246713/384537247693409 : 4D646D7A8DD1DF37
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M246713/384537247693409 : 3F9D8ADA7E06C556
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M246713/384537247693409 : 3F9D8ADA7E06C556
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M246713/384537247693409 : 3F9D8ADA7E06C556
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M246713/384537247693409 : 3F9D8ADA7E06C556
PRP without proof (not generated)