is 220244391-1
has 6,094,169 decimal digits
takes 14.347 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.078860.3175%----0.078860.3175%-1.2210%
PrimeNet2650.360461.5385%90,0003,200,0000.26665.0052%0.627066.5437%5.0052%
GPU722695.897363.7681%150,0004,500,0000.39773.7649%6.295067.5330%3.7649%
Difference-6-5.8184-3.4507%-150,000-4,500,000-0.3977-3.7649%-6.2161-7.2156%-7.2156%

Known prime factors (2 factors, 189.7 bits, 0.00093693% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
202443918100711135519082928412169.45720007297664620
22 × 3 × 5 × 7 × 143137 × 332803
143,137332,803-6.43420.15770.2993
20244391154713694469851046968115204148892224737120.21938211496327513889394873672453
3 × 199 × 811 × 2153 × 5923 × 22111 × 212141 × 1319411
212,1411,319,4112008-07-159.370e+90.28000.4437

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2024439112532909476092195355565591281284431346100639921547
55733727
58189.676
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2008-07-15T22:29:00George WoltmanManual testing-125,329,094,760,921,952-555,655,912,812,844,28858189.676-28.69-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-08-25T00:00:00JohnHa0v4_computers??189.676582.45220e+929.244.99816e+9
2002-07-27T00:00:00Net_Forcev4_computers?259--0.002--
2002-09-07T00:00:00Lars Frickev4_computers?266--0.369--


ECM factoring results:
Exponent "20244391" not found


Lucas-Lehmer results:
Exponent "20244391" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2020-07-05T12:13:52CrypticClueManual testing
810071113551908292841
1547136944698510469681152041488922247
39BAA7BE26782F49no
2020-07-08T20:16:19JaytholomewJaytholomew
810071113551908292841
1547136944698510469681152041488922247
39BAA7BE26782F49no


P-1 factor-bounds graph:
TF factor-bounds graph:
266
263
259
2
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2020-07-08T20:16:19+00:00