is 2 22190789 - 1
has 6680094 decimal digits
takes 16.181 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
Actual2671.339062.6866%----1.339062.6866%0.0000%
PrimeNet2650.328861.5385%10000032000000.28435.1465%0.613163.5179%1.9794%
GPU722695.380063.7681%17000050000000.45803.9717%5.838065.2071%1.4390%
Difference-2-4.0410-1.0815%-170000-5000000-0.4580-3.9717%-4.4990-2.5206%-2.5206%

Known prime factors (3 factors, 142.6 bits, 0.00064269% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
221907892137416796491237.6374816
24 × 7 × 43
-16438.601e-101.847e-53.443e-5
221907893521487817330391548.3237934571
33 × 19 × 15467
2008-10-0127154672.433e-60.00090.0017
221907891136205451867103771856.6572560083492
22 × 3 × 569 × 374939
2015-08-065693749390.00070.02220.0403

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
22190789752688720939688449772233112685.960
22190789242854461708425782928780176732994.294
221907894001133656734376748372142504570332104.980
22190789855209028290551086436232765447641580999824743142.617
P-1 results:
No P-1 results for M22190789


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-01T01:36:00markrManual testing??48.323157.42846e-733.291.52848e-6
2003-04-10T00:00:00Thomas Mullenv4_computers256257--0.000--
2015-04-21T11:19:00TJAOIManual testing256257*56.657180.00033.290.001


ECM factoring results:
No ECM results for M22190789


Lucas-Lehmer results:
No L-L results for M22190789


PRP results:
No PRP results for M22190789


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
267
257
2
230
240
250
260
270
280
290
2100
Last modified: 2015-08-06T17:20:23+00:00