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
13448833Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 2423931510
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-05-05Riccardo Gallini016093FCDEBFA75D11653366
Verified2005-02-23Grant McCracken016093FCDEBFA75D3395380
History
DateUserTypeResult
2023-12-10RichD0NF
no factor from 2^72 to 2^73
2022-03-01axnNF-PM1
B1=1000000, B2=2423931510
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-03SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2015-07-30NesowaNF
no factor from 2^66 to 2^67
2014-06-13NesowaNF
no factor from 2^65 to 2^66