is 2 6948479 - 1
has 2091701 decimal digits
takes 1.515 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
Actual2674.276365.6716%----4.276365.6716%
Target2674.276365.6716%450009000000.02902.2378%4.305366.4398%
Difference----45000-900000-0.0290-2.2378%-0.0290-0.7682%

Known prime factors (1 factor, 38.2 bits, 0.00054917% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69484793068448326411238.15922080
26 × 3 × 5 × 23
-64649.377e-92.024e-54.118e-5

P-1 results:
No P-1 results for M6948479


Trial Factoring results:
No TF results for M6948479


ECM factoring results:
No ECM results for M6948479


Lucas-Lehmer results:
No L-L results for M6948479


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-27Oliver KruseGTX-2
306844832641
4D56759232AFB8__no
2019-02-07kkmrkkblmbrbkc5.large
306844832641
4D56759232AFB8F2no


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