is 2 500171459 - 1
has 150566613 decimal digits
takes 12,097.897 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
Actual2680.119257.3529%----0.119257.3529%0.0000%
PrimeNet278122.391062.8205%1900000130000000311.41165.9192%433.802765.0212%2.2007%
GPU722821,958.262064.6341%3000000130000000347.88884.4261%2,306.150866.1995%1.5653%
Difference-14-1,958.1429-7.2812%-3000000-130000000-347.8888-4.4261%-2,306.0317-8.8465%-8.8465%

Known prime factors (3 factors, 180.9 bits, 0.00003617% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
500171459412712047874723271755.19641257057
149 × 409 × 677
2005-09-104096771.055e-50.01490.0292
5001714593489822602750114231858.276348862629
3 × 19 × 463 × 13219
2015-08-24463132190.00010.04060.0472
5001714592009614862794381354572167.445200892596592
24 × 3 × 4185262429
2022-08-051641852624290.06037,997.314,937

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
5001714591440291833100496512144619722139132135113.472
500171459829392265463350153167320100886499843937122.641
5001714597013199371002401635187325009249632531138125.721
50017145928944318745601223077394720692061137705516909756021
68697
55180.917
P-1 results:
No P-1 results for M500171459


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2006-09-04T00:00:00S207114v4_computers??55.196179.49224e-724,7561.94239e-6
2015-08-24T11:17:00TJAOIManual testing258259*58.276183.00595e-524,7566.15103e-5
2022-08-05T09:34:07TJAOIManual testing267268*67.445210.00124,7560.002
2022-08-10T19:29:48LordJuliusManual testing2126867.445210.06024,7560.123
2022-08-10T19:29:48LordJuliusManual testing2126858.276180.00024,7560.000
2022-08-10T19:29:48LordJuliusManual testing2126855.196171.05453e-524,7562.15788e-5


ECM factoring results:
No ECM results for M500171459


Lucas-Lehmer results:
No L-L results for M500171459


PRP results:
No PRP results for M500171459


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
259
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:48+00:00