is 2 83218441 - 1
has 25051247 decimal digits
takes 259.682 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
Actual2670.357159.7015%----0.357159.7015%0.0000%
PrimeNet2715.744961.9718%360000170000005.73105.3674%11.475864.0130%2.0411%
GPU7227591.949764.0000%550000180000006.79033.8936%98.740065.4017%1.4017%
Difference-8-91.5926-4.2985%-550000-18000000-6.7903-3.8936%-98.3829-5.7002%-5.7002%

Known prime factors (1 factor, 61.5 bits, 0.00007395% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8321844133477161871669525911961.53820114028495
32 × 5 × 11 × 607 × 66943
2008-07-14607669430.00670.01910.0308

P-1 results:
No P-1 results for M83218441


Trial Factoring results:
No TF results for M83218441


ECM factoring results:
No ECM results for M83218441


Lucas-Lehmer results:
No L-L results for M83218441


PRP results:
No PRP results for M83218441


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2008-07-14T20:16:49+00:00