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
17702551Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 121360050
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-02-09Amber Case6D7C39B0B0493D987768112
Verified2006-10-01Stuart Trail6D7C39B0B0493D989069576
History
DateUserTypeResult
2023-05-10Sid & AndyNF
no factor from 2^72 to 2^73
2022-01-08masserNF-PM1
B1=1000000, B2=121360050
2021-09-16-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-10SRBaseNF
no factor from 2^70 to 2^71
2016-05-10YxinityNF
no factor from 2^69 to 2^70
2016-05-09YxinityNF
no factor from 2^68 to 2^69
2016-05-09YxinityNF
no factor from 2^67 to 2^68
2014-08-23NesowaNF
no factor from 2^66 to 2^67
2013-09-20David CampeauNF
no factor from 2^65 to 2^66