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
15035861TF
No factors below 273
TF target 269
P-1
B1 = 2000000
B2 = 6630804180
ECM
DigitsB1Curves
255000014 / 280
Estimated T-Level: 20.3 ⓘ
LL
StatusDateUserResidueShift
Verified2002-05-05Chris HalsallF6FEB04EA5C2FCE86756145
Verified2005-12-12Brian JueF6FEB04EA5C2FCE84591064
History
DateUserTypeResult
2023-06-26Naegi MakotoNF
no factor from 2^72 to 2^73
2022-04-07ATHNF-PP1
Start=2/7, B1=1000000, B2=29000000
2022-03-22LuminescenceNF-PM1
B1=2000000, B2=6630804180
2021-10-10-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2020-09-10ThaNF-PM1
B1=1500000, B2=30000000, E=12
2020-06-30YxinityNF
no factor from 2^69 to 2^70
2017-10-01ramgeisNF
no factor from 2^68 to 2^69
2015-12-17mikrNF
no factor from 2^67 to 2^68
2014-06-11NesowaNF
no factor from 2^66 to 2^67
2014-06-11NesowaNF
no factor from 2^65 to 2^66