is 2 6902543 - 1
has 2077873 decimal digits
takes 1.505 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.304865.6716%----4.304865.6716%
Target2674.304865.6716%450009000000.02902.2354%4.333766.4390%
Difference----45000-900000-0.0290-2.2354%-0.0290-0.7674%

Known prime factors (1 factor, 23.7 bits, 0.00034362% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
690254313805087823.7191
1		-111.619e-133.162e-76.435e-7

P-1 results:
No P-1 results for M6902543


Trial Factoring results:
No TF results for M6902543


ECM factoring results:
No ECM results for M6902543


Lucas-Lehmer results:
No L-L results for M6902543


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-16ATHwork
13805087
E61AA16BD1C372__no
2019-01-21arnaudstm-11-010
13805087
E61AA16BD1C3727Eno


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00