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
14519993Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 185086440
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-05-25Todd ReutzelF81C904EE0D42E631189414
Verified2005-07-01Marc Getty / Phil FizurF81C904EE0D42E634020875
History
DateUserTypeResult
2022-01-16Architects CubedNF-PM1
B1=1000000, B2=185086440
2021-12-03-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-01SRBaseNF
no factor from 2^70 to 2^71
2021-08-09SRBaseNF
no factor from 2^69 to 2^70
2018-03-14ramgeisNF
no factor from 2^68 to 2^69
2018-03-14ramgeisNF
no factor from 2^67 to 2^68
2015-09-21NesowaNF
no factor from 2^66 to 2^67
2014-08-25NesowaNF
no factor from 2^65 to 2^66