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
13278247TF
No factors below 273
TF target 268
P-1
B1 = 1600000
B2 = 1626785160
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
VerifiedA. KromatF0F3E469866DA0B56640580
Verified2002-12-09David ChenF0F3E469866DA0B5370865
History
DateUserTypeResult
2023-11-10nordiNF-PM1
B1=1600000, B2=1626785160
2023-10-18nordiNF-PM1
B1=1600000
2022-01-12Zhang RuichongNF-PM1
B1=468000, B2=191576910
2022-01-01-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-03SRBaseNF
no factor from 2^70 to 2^71
2021-08-17ATHNF-PP1
Start=2/7, B1=200000, B2=7800000
2021-08-16SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2015-07-20NesowaNF
no factor from 2^66 to 2^67
2014-06-01NesowaNF
no factor from 2^65 to 2^66
2013-05-16lycornNF
no factor from 2^64 to 2^65