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
16185733Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 1500000
B2 = 1746383100
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-11-02Ken8AE932FCF650208613439939
Verified2007-11-17Entra Juristdata8AE932FCF650208611679866
History
DateUserTypeResult
2024-07-03Naegi MakotoNF-PM1
B1=1500000, B2=1746383100
2022-01-13-Anonymous-NF
no factor from 2^73 to 2^74
2022-01-13-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-17-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-08SRBaseNF
no factor from 2^70 to 2^71
2021-04-22lycornNF
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
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-08-08NesowaNF
no factor from 2^66 to 2^67