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
79397Factored
FactorDigitsBitsDate
1111559720.1old
455774088970788756312065.32009-06-22 16:51:51
119502427367101295745862640320929331137119.82017-03-04 00:56:14
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000584 / 4588
Estimated T-Level: 35.6
TF below 2^113 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7617A7E2AA59D40D3013
Verified2017-10-02kkmrkkblmbrbk7617A7E2AA59D40D3013
Verified2017-12-07ATH7617A7E2AA59D40D33425213
Verified2020-04-17Oliver Kruse85CD23159555E90C34180053
Verified2024-02-03Wentao Huang85CD23159555E90C35807953
P-1 factors
DateFactorB1B2
2017-03-04119502427367101295745862640320929331110000000012720901946406
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M79397/1111559/45577408897078875631/1195024273671012957458626403209293311 : 85CD23159555E90C
PRP: Verified
PRP without proof (small exponent)
2024-01-26masserNF-PP1
Start=6/5, B1=25000000, B2=1475000000
2024-01-26masserNF-PP1
Start=90/71, B1=25000000, B2=1475000000
2024-01-23masserNF-PP1
Start=2/7, B1=25000000, B2=1475000000
2022-01-11George WoltmanNF-PM1
B1=1000000000, B2=20461169718990
2020-04-17Oliver KruseC-PRP
M79397/1111559/45577408897078875631/1195024273671012957458626403209293311 : 85CD23159555E90C
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M79397/1111559/45577408897078875631/1195024273671012957458626403209293311 : 7617A7E2AA59D40D
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M79397/1111559/45577408897078875631/1195024273671012957458626403209293311 : 7617A7E2AA59D40D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M79397/known_factors : 7617A7E2AA59D40D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M79397/known_factors : 7617A7E2AA59D40D
PRP without proof (not generated)
2017-03-04kkmrkkblmbrbkF-PM1
Factor: 1195024273671012957458626403209293311 / (P-1, B1=100000000, B2=12720901946406)
2016-12-23kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-06-22Matthias WurtingerF-ECM
Factor: 45577408897078875631