is 2 87222269 - 1
has 26256520 decimal digits
takes 280.928 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.340759.7015%----0.340759.7015%0.0000%
PrimeNet2715.481161.9718%360000170000005.91535.3979%11.396464.0246%2.0527%
GPU7227587.728864.0000%550000200000007.51763.9951%95.246465.4382%1.4382%
Difference-8-87.3882-4.2985%-550000-20000000-7.5176-3.9951%-94.9058-5.7367%-5.7367%

Known prime factors (1 factor, 33.9 bits, 0.00003885% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
87222269158744529591133.88691
7 × 13
2007-08-167131.338e-113.422e-56.653e-5

P-1 results:
No P-1 results for M87222269


Trial Factoring results:
No TF results for M87222269


ECM factoring results:
No ECM results for M87222269


Lucas-Lehmer results:
No L-L results for M87222269


PRP results:
No PRP results for M87222269


P-1 factor-bounds graph:
100
101
100
101
102
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2007-08-16T13:40:22+00:00