is 2 61839101 - 1
has 18615425 decimal digits
takes 145.265 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
Actual2670.480561.1940%----0.480561.1940%0.0000%
PrimeNet2703.864162.8571%260000120000003.06435.1409%6.928364.7666%1.9095%
GPU7227461.868164.8649%400000130000003.70073.7206%65.568866.1721%1.3072%
Difference-7-61.3876-3.6708%-400000-13000000-3.7007-3.7206%-65.0883-4.9781%-4.9781%

Known prime factors (2 factors, 78.7 bits, 0.00012725% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
61839101371034607928.4673
3		-135.787e-133.777e-66.932e-6
6183910113161299967007371650.22510641568
25 × 7 × 47507		2014-05-2232475073.322e-60.00890.0165

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
618391014883297760867692494053592478.692
P-1 results:
No P-1 results for M61839101


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-05-22T17:52:00TJAOIManual testing??50.225168.96698e-7299.71.85010e-6


ECM factoring results:
No ECM results for M61839101


Lucas-Lehmer results:
No L-L results for M61839101


PRP results:
No PRP results for M61839101


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2014-05-22T17:52:06+00:00