is 2 168273641 - 1
has 50655414 decimal digits
takes 1,145.196 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
Actual2680.354258.8235%----0.354258.8235%0.0000%
PrimeNet27422.736062.1622%6500003600000025.41985.3830%48.155764.1990%2.0368%
GPU72278363.791464.1026%10000003600000028.68543.9216%392.476865.5103%1.4078%
Difference-10-363.4372-5.2790%-1000000-36000000-28.6854-3.9216%-392.1226-6.6868%-6.6868%

Known prime factors (3 factors, 166.6 bits, 0.00009900% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
168273641201928369211134.23360
22 × 3 × 5
2007-11-16451.378e-114.001e-58.033e-5
168273641349938526159681911672064.924103979008263
3 × 13 × 17669 × 150893
2018-03-08176691508930.03990.24600.3548
1682736412005067207341177120092167.442595775783844
22 × 33 × 37 × 149093039
2022-08-04371490930390.242180.159149.71

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1682736417066251591117549247585836768073099.157
168273641404879951334852835941538028428931101.675
168273641701650263388080865204287007784036362450340132.366
16827364114168309344172213846230750898262103854092955867526
3
51166.599
P-1 results:
No P-1 results for M168273641


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2018-03-08T14:09:52TJAOIManual testing264265*64.924200.0192,3550.039
2022-08-04T11:09:14TJAOIManual testing267268*67.442210.0662,3540.135
2022-08-10T19:29:34LordJuliusManual testing2126867.442210.2422,3540.498
2022-08-10T19:29:34LordJuliusManual testing2126834.233111.37775e-112,3552.83303e-11
2022-08-10T19:29:34LordJuliusManual testing2126864.924200.0402,3550.082


ECM factoring results:
No ECM results for M168273641


Lucas-Lehmer results:
No L-L results for M168273641


PRP results:
No PRP results for M168273641


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
265
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:34+00:00