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
792647Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 268
TF target 244
TF below 2^86 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 100000000
B2 = 2004633130500
ECM
DigitsB1Curves
2550000280 / 280
30250000325 / 640
Estimated T-Level: 27.5 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski8DF0
VerifiedRoland AndersonC77D7643BE8108DF0
VerifiedJim HowellC77D7643BE8108DF0
Verified2015-04-11MadPooC77D7643BE8108DF572399
History
DateUserTypeResult
2023-04-27masserNF-PP1
Start=6/5, B1=6000000, B2=276000000
2023-03-30masserNF-PP1
Start=186/41, B1=6000000, B2=276000000
2023-03-30masserNF-PP1
Start=2/7, B1=6000000, B2=288000000
2022-12-17lycornNF-PM1
B1=100000000, B2=2004633130500
2022-11-25JossNF-PM1
B1=1000000, B2=4929814890
2022-03-03Gordon SpenceNF
no factor from 2^67 to 2^68
2019-09-19lycornNF
no factor from 2^66 to 2^67
2017-12-19Smok_bmv NF
no factor from 2^65 to 2^66
2016-03-09lycornNF
no factor from 2^64 to 2^65
2015-10-24Gordon SpenceNF
no factor from 2^63 to 2^64
2015-10-24Gordon SpenceNF
no factor from 2^62 to 2^63
2015-04-11MadPooC-LL
C77D7643BE8108DF
2015-03-07NRNF
no factor from 2^61 to 2^62
2012-04-16alpertronNF-PM1
B1=10000000, B2=200000000, E=12
2012-01-14JossNF-PM1
B1=898076
2011-08-28JossNF-PM1
B1=449038
2011-07-19JossNF-PM1
B1=269422
2010-06-13Architects CubedNF
no factor from 2^60 to 2^61
2008-10-14Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-14Sturle SundeNF
no factor from 2^58 to 2^59