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
11379521Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 3800000
B2 = 3893024520
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-07-17Intech228BE2227647BC716845552
Verified2004-04-20Bart Fielder228BE2227647BC716093191
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-07-06MooMoo2NF-PM1
B1=3800000, B2=3893024520
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-05NesowaNF
no factor from 2^65 to 2^66
2013-02-24Richard B. WoodsNF
no factor from 2^64 to 2^65
2011-05-19Carsten KossendeyNF-PM1
B1=700000, B2=23625000, E=12