is 2 166841699 - 1
has 50224356 decimal digits
takes 1,094.899 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
Actual2680.357358.8235%----0.357358.8235%0.0000%
PrimeNet27422.931162.1622%6500003600000024.51195.3777%47.443064.1970%2.0348%
GPU72278366.913764.1026%10000003600000027.66093.9177%394.574765.5089%1.4063%
Difference-10-366.5565-5.2790%-1000000-36000000-27.6609-3.9177%-394.2174-6.6854%-6.6854%

Known prime factors (3 factors, 171.7 bits, 0.00010293% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1668416996943724607669371549.3032080932
22 × 3 × 72 × 3539
2007-11-164935396.375e-70.00230.0034
166841699368043715142408391755.031110297281
110297281
2015-01-0111102972815.381e-557.182106.80
1668416991952481471579348849612167.404585129941520
24 × 3 × 5 × 23 × 10039 × 10559
2022-07-0810039105590.26650.09580.1944

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1668416992555594201532397068491126634014332104.333
16684169913557493640224028282705168092733445736116.707
166841699718598534546780210763886528071312227937122.435
16684169949897503273676256431714234216035896929443162012894
23
52171.737
P-1 results:
No P-1 results for M166841699


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-01-01T11:38:00TJAOIManual testing255256*55.031172.50381e-52,2535.15201e-5
2022-07-08T08:27:32TJAOIManual testing267268*67.404210.0882,2530.182
2022-08-10T19:29:34LordJuliusManual testing2126867.404210.2672,2530.548
2022-08-10T19:29:34LordJuliusManual testing2126855.031175.38060e-52,2530.000
2022-08-10T19:29:34LordJuliusManual testing2126849.303156.37472e-72,2531.31171e-6


ECM factoring results:
No ECM results for M166841699


Lucas-Lehmer results:
No L-L results for M166841699


PRP results:
No PRP results for M166841699


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
256
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:34+00:00