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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
827899TF
No factors below 268
TF target 244
TF below 2^98 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 35000000
B2 = 10020758868120
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000323 / 1566
Estimated T-Level: 31.0 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski1CBB0
VerifiedEdward Brisse47B7CC6C33F05CBB0
VerifiedPaul Victor Novarese47B7CC6C33F05CBB0
Verified2015-04-11MadPoo47B7CC6C33F05CBB769836
History
DateUserTypeResult
2024-02-21Ethan O'ConnorNF-PM1
B1=35000000, B2=10020758868120
2023-04-28masserNF-PP1
Start=6/5, B1=6000000, B2=276000000
2023-03-25masserNF-PP1
Start=133/47, B1=6000000, B2=276000000
2023-03-24masserNF-PP1
Start=2/7, B1=6000000, B2=288000000
2022-05-10lycornNF-PM1
B1=8500000, B2=901325279400
2017-10-31Smok_bmv NF
no factor from 2^67 to 2^68
2017-10-31Smok_bmv NF
no factor from 2^66 to 2^67
2017-10-31Smok_bmv NF
no factor from 2^65 to 2^66
2016-02-21lycornNF
no factor from 2^64 to 2^65
2015-09-29Gordon SpenceNF
no factor from 2^63 to 2^64
2015-09-29Gordon SpenceNF
no factor from 2^62 to 2^63
2015-04-11MadPooC-LL
47B7CC6C33F05CBB
2015-02-20NRNF
no factor from 2^61 to 2^62
2014-03-27mikrNF-PM1
B1=8129770, B2=357709880, E=12
2010-06-02Architects CubedNF
no factor from 2^60 to 2^61
2008-11-12markrNF-PM1
B1=1000000, B2=40000000, E=12
2008-10-11Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-11Sturle SundeNF
no factor from 2^58 to 2^59