is 2 84928607 - 1
has 25566059 decimal digits
takes 273.541 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
Actual2670.349959.7015%----0.349959.7015%0.0000%
PrimeNet2715.629261.9718%360000170000005.91535.3806%11.544464.0180%2.0461%
GPU7227590.098164.0000%550000190000007.26313.9437%97.361365.4197%1.4197%
Difference-8-89.7483-4.2985%-550000-19000000-7.2631-3.9437%-97.0114-5.7182%-5.7182%

Known prime factors (1 factor, 67.5 bits, 0.00007944% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
849286072041871194328646257112167.4681202110376265
32 × 5 × 21227 × 1258471
2013-12-142122712584710.39900.41390.5981

P-1 results:
No P-1 results for M84928607


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2013-12-14T21:40:00Spryte72LapR??67.468210.049562.20.101
2010-12-03T05:20:00Architects Cubedm1_25264265--0.044--
2012-09-14T07:12:00Carsten KossendeyManual testing265266--0.088--
2013-02-26T18:27:00ANONYMOUS266267--0.176--


ECM factoring results:
No ECM results for M84928607


Lucas-Lehmer results:
No L-L results for M84928607


PRP results:
No PRP results for M84928607


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
267
266
265
2
250
260
270
280
290
2100
Last modified: 2013-12-14T21:40:42+00:00