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
11273033Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 268
P-1
B1 = 100000000
B2 = 200168684100
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-03-05C. Cooper / S. Boone86CA1BC9924E706D5284428
Verified2004-07-26shigehiro sasaki86CA1BC9924E706D2235573
History
DateUserTypeResult
2025-07-31vshNF-PM1
B1=100000000, B2=200168684100
2025-07-13vshNF
no factor from 2^73 to 2^74
2025-02-14James HeinrichNF
no factor from 2^72 to 2^73
2024-10-06vshNF
no factor from 2^72 to 2^73
2024-04-09yuriy_5-1NF-PM1
B1=13800000, B2=150680119590
2024-04-06vshNF-PM1
B1=6900000, B2=9783011700
2021-10-31SRBaseNF
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
2015-12-28VictordeHollanderNF
no factor from 2^66 to 2^67
2015-02-01NumberwangNF
no factor from 2^65 to 2^66
2013-03-08Richard B. WoodsNF
no factor from 2^64 to 2^65
2011-03-18Carsten KossendeyNF-PM1
B1=690000, B2=23287500, E=12