is 2 4217750171 - 1
has 1269669316 decimal digits
takes 1,141,575.090 GHz-days to do one PRP test
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2680.014152.9412%----0.014152.9412%0.0000%
PrimeNet28814,862.398763.6364%13000000120000000030,482.50995.5362%45,344.908665.6495%2.0131%
GPU72292237,798.379365.2174%20000000120000000033,080.03134.2576%270,878.410566.6983%1.4809%
Difference-24-237,798.3651-12.2762%-20000000-1200000000-33,080.0313-4.2576%-270,878.3964-13.7571%-13.7571%

Known prime factors (1 factor, 35.0 bits, 0.00000083% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4217750171337420013691134.9744
22
2012-08-20445.478e-130.00160.0032

P-1 results:
No P-1 results for M4217750171


Trial Factoring results:
No TF results for M4217750171


ECM factoring results:
No ECM results for M4217750171


Lucas-Lehmer results:
No L-L results for M4217750171


PRP results:
No PRP results for M4217750171


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
268
230
240
250
260
270
280
290
2100
Last modified: 2012-08-20T00:00:00+00:00