is 2 195171167 - 1
has 58752376 decimal digits
takes 1,596.609 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
Actual2670.152258.2090%----0.152258.2090%0.0000%
PrimeNet27419.602662.1622%8000004500000038.05435.8198%57.656964.3642%2.2021%
GPU72278313.655564.1026%12000004500000042.54054.2494%356.196065.6280%1.5254%
Difference-11-313.5032-5.8936%-1200000-45000000-42.5405-4.2494%-356.0438-7.4190%-7.4190%

Known prime factors (4 factors, 238.7 bits, 0.00012229% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
19517116769829995180756171652.63317889424
24 × 7 × 211 × 757
2007-12-052117573.596e-60.00290.0051
195171167110061876929934971753.28928196244
22 × 32 × 137 × 5717
2014-09-1613757176.659e-60.00520.0069
195171167455498249336652830472065.304116691993069
3 × 592 × 73 × 153071
2018-09-1234811530710.04340.13800.1848
1951711672006113144466456333512167.443513936862525
52 × 1549 × 36432
2022-08-0413271449132714490.1730157.42320.38

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1951711677685620335602337642291553526264932105.922
19517116731807440556021339460254353905416499936117.937
19517116750132992260291516914170931523534535936118.593
195171167140086871210144252017134972767510256737120.076
195171167220796578013791969954212001268931844737120.732
195171167913781025275718567476469566636799810049740132.747
19517116735007866079330429962689092583295153317506880720115
03
52171.226
19517116715418223978630546983822017943227941088149036739006
799
53173.365
19517116763809324591269859535801114710833101538599215472811
281649
56185.380
19517116710057245474480593311083741413562689988681906749177
3468009
57186.036
19517116770229740301466163122695589372949122128218550213700
5193498560853992436553
72238.669
P-1 results:
No P-1 results for M195171167


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-09-16T11:11:00TJAOIManual testing253254*53.289175.11007e-73,2751.04815e-6
2018-09-12T14:15:07TJAOIManual testing265266*65.304200.0063,2750.012
2022-08-04T11:11:34TJAOIManual testing267268*67.443210.0213,2750.042


ECM factoring results:
No ECM results for M195171167


Lucas-Lehmer results:
No L-L results for M195171167


PRP results:
No PRP results for M195171167


P-1 factor-bounds graph:
101
102
103
104
105
106
107
108
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
267
266
254
250
260
270
280
290
2100
Last modified: 2022-08-04T11:11:34+00:00