is 2 25473379 - 1
has 7668252 decimal digits
takes 21.829 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
Actual2671.166562.6866%----1.166562.6866%0.0000%
PrimeNet2660.579862.1212%12000045000000.44565.1688%1.025464.0791%1.9579%
GPU722709.380464.2857%18000055000000.58383.7421%9.964265.6222%1.3365%
Difference-3-8.2139-1.5991%-180000-5500000-0.5838-3.7421%-8.7978-2.9356%-2.9356%

Known prime factors (2 factors, 80.0 bits, 0.00031397% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
25473379165067495931133.942324
22 × 34		-81814.807e-110.00010.0002
25473379722254356800711446.0381417665
3 × 5 × 29 × 3259		2008-09-082932596.822e-70.00030.0004

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2547337911922071810162596574611032579.980
P-1 results:
No P-1 results for M25473379


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T21:33:00Will EdgingtonManual testing??46.038143.14240e-745.046.48344e-7


ECM factoring results:
No ECM results for M25473379


Lucas-Lehmer results:
No L-L results for M25473379


PRP results:
No PRP results for M25473379


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2008-09-08T21:33:37+00:00