is 2 195010769 - 1
has 58704091 decimal digits
takes 1,595.296 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
Actual2680.305658.8235%----0.305658.8235%0.0000%
PrimeNet27419.618762.1622%8000004500000038.05435.8193%57.673064.3640%2.2019%
GPU72278313.913564.1026%12000004500000042.54054.2490%356.454065.6278%1.5253%
Difference-10-313.6078-5.2790%-1200000-45000000-42.5405-4.2490%-356.1483-6.8043%-6.8043%

Known prime factors (3 factors, 188.7 bits, 0.00009678% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1950107692892559303120272711858.005741640915
5 × 59 × 2514037
2008-09-015925140370.00031.62543.0345
195010769115793161646543563032063.32829688914679
3 × 89 × 151 × 736387
2017-01-271517363870.00830.47760.8888
1950107691956199399954509273912167.407501561890655
3 × 5 × 7 × 19 × 251409469
2022-07-11192514094690.2743162.48303.46

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
195010769334938586958419138387891224548673911337121.333
1950107695658422773096710980181048391823287996138125.412
195010769226514513331804015073590175378949619547340130.735
19501076965520666282967074394661268948356381221205481122832
2744183
57188.740
P-1 results:
No P-1 results for M195010769


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-01-27T17:15:54TJAOIManual testing263264*63.328208.49872e-53,2720.000
2022-07-11T14:25:30TJAOIManual testing267268*67.407210.1223,2720.250
2022-08-10T19:29:35LordJuliusManual testing2126863.328200.0083,2720.017
2022-08-10T19:29:35LordJuliusManual testing2126867.407210.2743,2720.563
2022-08-10T19:29:35LordJuliusManual testing2126858.005180.0003,2720.001


ECM factoring results:
No ECM results for M195010769


Lucas-Lehmer results:
No L-L results for M195010769


PRP results:
No PRP results for M195010769


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
264
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:35+00:00