is 2 6919807 - 1
has 2083070 decimal digits
takes 1.509 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
Actual2674.294065.6716%----4.294065.6716%
Target2674.294065.6716%450009000000.02902.2363%4.323066.4393%
Difference----45000-900000-0.0290-2.2363%-0.0290-0.7677%

Known prime factors (1 factor, 36.4 bits, 0.00052546% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6919807882552184791136.3616377
7 × 911		-79111.826e-91.779e-52.945e-5

P-1 results:
No P-1 results for M6919807


Trial Factoring results:
No TF results for M6919807


ECM factoring results:
No ECM results for M6919807


Lucas-Lehmer results:
No L-L results for M6919807


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-18NetaniasWin10
88255218479
B18DF38688246B__no
2019-01-24ATHec2-LL
88255218479
B18DF38688246BAEno


P-1 factor-bounds graph:
100
101
100
101
102
103
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