Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
11279623Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20013932400
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-07-07Ken KressBA9E1FE48A5A2BE7894448
Verified2004-07-02Ari ÖrnBA9E1FE48A5A2BE75018723
History
DateUserTypeResult
2025-02-14James HeinrichNF
no factor from 2^72 to 2^73
2024-10-06vshNF
no factor from 2^72 to 2^73
2024-06-13vshNF-PM1
B1=10000000, B2=20013932400
2024-04-16vshNF-PM1
B1=6900000, B2=9853732350
2021-10-30SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
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
2015-02-01NumberwangNF
no factor from 2^65 to 2^66
2013-02-24Richard B. WoodsNF
no factor from 2^64 to 2^65
2011-03-16Carsten KossendeyNF-PM1
B1=690000, B2=23460000, E=12