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
10305583Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 2000000
B2 = 2577696030
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Bad2000-10-22Steven GilesBD21BDF7BFB87C7C9422239
Verified2003-12-23Ars Technica Team Prime Rib94A5142BEEA823826089102
Verified2004-03-26Penny Black P94A5142BEEA823825815747
History
DateUserTypeResult
2024-03-11Sid & AndyNF-PM1
B1=2000000, B2=2577696030
2021-06-05Dylan DelgadoNF-PM1
B1=300000, B2=18720000
2021-04-17-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-17-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-17-Anonymous-NF
no factor from 2^70 to 2^71
2020-08-03ViliamFNF
no factor from 2^69 to 2^70
2017-11-26ramgeisNF
no factor from 2^68 to 2^69
2017-09-26-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-28ThaNF
no factor from 2^65 to 2^66
2013-09-25NesowaNF
no factor from 2^64 to 2^65
2013-06-03NesowaNF-PM1
B1=125000, B2=2531250, E=6