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
15135397TF
No factors below 273
TF target 269
P-1
B1 = 45983977
B2 = 6023900987
ECM
DigitsB1Curves
255000014 / 280
Estimated T-Level: 20.3 ⓘ
LL
StatusDateUserResidueShift
Bad2002-04-14Dan KrugerBCA8BB094E2A4C569455228
Verified2005-04-26Ars Technica Team Prime Rib20FEFE5D788B739E623952
Verified2006-05-12roberto20FEFE5D788B739E2856086
History
DateUserTypeResult
2022-10-16ATHNF-PP1
Start=2/7, B1=1000000, B2=29000000
2022-02-19PraxeisNF
no factor from 2^72 to 2^73
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-07-05Oliver KruseNF-PM1
B1=45983977, B2=6023900987, E=24
2021-06-29lycornNF
no factor from 2^69 to 2^70
2017-10-11ramgeisNF
no factor from 2^68 to 2^69
2017-01-23ConductorNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-05-14NesowaNF
no factor from 2^66 to 2^67