Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
267373Factored
FactorDigitsBitsDate
68597216891032.7old
64672926784858301856301921032892.42020-04-02 19:27:16
ECM
DigitsB1Curves
2550000280 / 280
30250000398 / 640
Estimated T-Level: 28.1
TF below 2^88 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse7EAE68DDC073447C1013
Verified (Factored)2017-10-12Oliver Kruse7EAE68DDC073447C19262613
Verified (Factored)2017-11-06kkmrkkblmbrbk7EAE68DDC073447C11905313
Verified2020-04-03treborE4CE40EF9A4A515D23095553
Verified2020-04-03mnd9E4CE40EF9A4A515D211960753
Verified2020-04-03Daniil TsarkovE4CE40EF9A4A515D26853853
Verified2020-04-05Luigi MorelliE4CE40EF9A4A515D2368453
History
DateUserTypeResult
2021-07-03George WoltmanNF-PP1
Start=2/7, B1=10000000, B2=830000000
2021-07-03George WoltmanNF-PM1
B1=20000000, B2=1820000000
2020-04-05Luigi MorelliC-PRP
M267373/6859721689/6467292678485830185630192103 : E4CE40EF9A4A515D
PRP: Verified
PRP without proof (small exponent)
2020-04-03Daniil TsarkovC-PRP
M267373/6859721689/6467292678485830185630192103 : E4CE40EF9A4A515D
PRP: Verified
PRP without proof (small exponent)
2020-04-03mnd9C-PRP
M267373/6859721689/6467292678485830185630192103 : E4CE40EF9A4A515D
PRP: Verified
PRP without proof (small exponent)
2020-04-03treborC-PRP
M267373/6859721689/6467292678485830185630192103 : E4CE40EF9A4A515D
PRP: Verified
PRP without proof (small exponent)
2020-04-02nordiF-ECM
Factor: 6467292678485830185630192103 / (ECM curve 25, B1=250000, B2=25000000, Sigma=8325019008617517)
2017-11-06kkmrkkblmbrbkC-PRP
M267373/6859721689 : 7EAE68DDC073447C
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M267373/6859721689 : 7EAE68DDC073447C
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M267373/6859721689 : 7EAE68DDC073447C
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M267373/6859721689 : 7EAE68DDC073447C
PRP without proof (not generated)