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
11625763Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 268
P-1
B1 = 13997420
B2 = 124183569510
ECM
DigitsB1Curves
2550000110 / 280
Estimated T-Level: 22.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-01-14C. Cooper / S. Boone47ACB5758291A9617938751
Verified2004-09-02Lawrence V. Castiglione III47ACB5758291A9611060883
History
DateUserTypeResult
2025-02-10yuriy_5-1NF
no factor from 2^74 to 2^75
2024-09-02yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-06yuriy_5-1NF
no factor from 2^72 to 2^73
2024-07-08yuriy_5-1NF-PM1
B1=13997420, B2=124183569510
2024-04-18yuriy_5-1NF-PM1
B1=4200000, B2=5087341350
2022-12-19Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-16SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-01ramgeisNF
no factor from 2^68 to 2^69
2018-01-01ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-04lycornNF
no factor from 2^64 to 2^65
2012-07-23NesowaNF-PM1
B1=145000, B2=3117500, E=6