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
11300813Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 4000000
B2 = 4168478160
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-12-21Rohit Namjoshi3DDCAF7A05CA01D54510154
Verified2004-02-14Ars Technica Team Prime Rib3DDCAF7A05CA01D56505949
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-07-20MooMoo2NF-PM1
B1=4000000, B2=4168478160
2024-01-22MooMoo2NF-PM1
B1=1250000, B2=706618770
2024-01-22MooMoo2NF-PM1
B1=250000, B2=107588910
2021-09-04RichD0NF
no factor from 2^71 to 2^72
2021-08-31SRBaseNF
no factor from 2^70 to 2^71
2021-08-15SRBaseNF
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
2015-03-02Sid & AndyNF-PM1
B1=130000, B2=2437500, E=6
2015-02-09NumberwangNF
no factor from 2^65 to 2^66
2013-11-19lycornNF
no factor from 2^64 to 2^65