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
11224583Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 268
TF below 2^86 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 100000000
B2 = 200017263600
ECM
DigitsB1Curves
2550000280 / 280
30250000297 / 640
Estimated T-Level: 27.3 ⓘ
LL
StatusDateUserResidueShift
Verified2001-05-27C. Cooper / S. Boone4422A0BBBD67D8153684062
Verified2005-02-02luca sbaraglia4422A0BBBD67D8159257759
History
DateUserTypeResult
2025-09-23vshNF
no factor from 2^73 to 2^74
2025-09-18vshNF-PM1
B1=100000000, B2=200017263600
2025-04-10vshNF-PM1
B1=100000000, B2=100022561100
2025-02-06James HeinrichNF
no factor from 2^72 to 2^73
2024-07-26vshNF
no factor from 2^72 to 2^73
2024-05-03vshNF-PM1
B1=12000000, B2=17676004500
2024-04-11vshNF-PM1
B1=12000000, B2=60000000
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
2015-03-14NumberwangNF
no factor from 2^65 to 2^66
2014-05-21HBendtzNF-PM1
B1=1200000, B2=24000000, E=12
2013-11-23lycornNF
no factor from 2^64 to 2^65