is 2 78208153 - 1
has 23543000 decimal digits
takes 244.047 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
Actual2670.379959.7015%----0.379959.7015%0.0000%
PrimeNet2716.112961.9718%320000160000005.31335.1913%11.426263.9460%1.9741%
GPU7227597.840364.0000%500000170000006.32993.7721%104.170265.3580%1.3580%
Difference-8-97.4604-4.2985%-500000-17000000-6.3299-3.7721%-103.7903-5.6565%-5.6565%

Known prime factors (1 factor, 64.2 bits, 0.00008214% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
78208153218413526144803397832064.244139636033947
33 × 269 × 3769 × 5101
2010-12-22376951010.08240.01740.0347

P-1 results:
No P-1 results for M78208153


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-22T16:10:00ANONYMOUS??64.244200.037502.60.076
2004-03-16T00:00:00AxelFoxv4_computers21262--0.008--
2008-05-21T00:00:001997rj7v4_computers21264--0.046--


ECM factoring results:
No ECM results for M78208153


Lucas-Lehmer results:
No L-L results for M78208153


PRP results:
No PRP results for M78208153


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
267
264
262
2
250
260
270
280
290
2100
Last modified: 2010-12-22T16:10:06+00:00