is 2 22171559 - 1
has 6674305 decimal digits
takes 16.167 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
Actual2671.340262.6866%----1.340262.6866%0.0000%
PrimeNet2650.329161.5385%10000032000000.28435.1459%0.613463.5177%1.9792%
GPU722695.384763.7681%17000050000000.45803.9713%5.842665.2070%1.4389%
Difference-2-4.0445-1.0815%-170000-5000000-0.4580-3.9713%-4.5025-2.5204%-2.5204%

Known prime factors (2 factors, 79.5 bits, 0.00035866% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2217155944343119825.4021
1
-112.017e-131.057e-62.152e-6
22171559195562144938055131754.118441020284
22 × 29 × 3801899
2014-11-042938018990.00020.21900.4090

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
221715598671835464883426258150472479.521
P-1 results:
No P-1 results for M22171559


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-11-04T12:30:00TJAOIManual testing254255*54.118170.00033.270.000
2003-04-10T00:00:00Thomas Mullenv4_computers256257--0.000--
2022-06-24T04:22:36LordJuliusManual testing2126054.118170.00033.270.000
2022-06-24T04:22:36LordJuliusManual testing2126025.40282.01656e-1333.274.14940e-13


ECM factoring results:
No ECM results for M22171559


Lucas-Lehmer results:
No L-L results for M22171559


PRP results:
No PRP results for M22171559


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
260
257
255
220
230
240
250
260
270
280
290
2100
Last modified: 2022-06-24T04:22:36+00:00