is 2 6907031 - 1
has 2079224 decimal digits
takes 1.506 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
Actual2674.302065.6716%----4.302065.6716%
Target2674.302065.6716%450009000000.02902.2356%4.330966.4391%
Difference----45000-900000-0.0290-2.2356%-0.0290-0.7674%

Known prime factors (1 factor, 28.3 bits, 0.00040979% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6907031331537489928.30524
23 × 3		-885.204e-122.529e-65.148e-6

P-1 results:
No P-1 results for M6907031


Trial Factoring results:
No TF results for M6907031


ECM factoring results:
No ECM results for M6907031


Lucas-Lehmer results:
No L-L results for M6907031


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-22Oliver KruseGTX-5
331537489
E94D6BE54278A7__no
2019-01-21kkmrkkblmbrbkc5.large
331537489
E94D6BE54278A73Cno


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