is 2 194717 - 1
has 58616 decimal digits
takes 0.001 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown10000000020000000001.360749.5149%1.360749.5149%49.5149%
PrimeNet2400.000055.0000%2000500000.000012.4359%0.000060.5961%5.5961%
GPU722440.000059.0909%3600800000.00018.8260%0.000162.7016%3.6106%
Difference-440.0000-59.0909%+99996400+1999920000+1.3607+40.6889%+1.3607-13.1866%-13.1866%

Known prime factors (2 factors, 161.6 bits, 0.08297802% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
19471711985532331211340.1243077680
24 × 5 × 17 × 31 × 73
-31738.760e-72.226e-74.218e-7
194717362623013662408374225273959958845258337121.4489311539661724666419092168633423
43 × 107 × 80527 × 3655271 × 67144219 × 102399901
2017-08-27671442191023999018.294e+110.46180.9137

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
194717434622985429160112147127388300644680437205360154349161.572
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-08-27T02:20:08kkmrkkblmbrbkManual testing10000000020000000001237121.4481.3610.0022.72141.996%


Trial Factoring results:
Exponent "194717" not found


ECM factoring results:

Old Calculation Method

Total ECM effort:11.352 GHz-days
Estimated T-Level:28.172
DigitsB1CurvesCompleteFacMiss
2011000687 / 1006.8700.100%
2550000687 / 2802.4548.561%
30250000406 / 6400.63453.000%

New Calculation Method

Total ECM effort:11.352 GHz-days
Estimated T-Level:28.172
DigitsB1CompleteFacMiss
201100042.8980.000%
25500005.7250.326%
302500000.58055.983%
3510000000.04695.469%
4030000000.00399.697%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002811.371
250000250000003859.389
25000036170960140.392
2500003850000070.201


Lucas-Lehmer results:
Exponent "194717" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T01:51:11Oliver KruseDoppelherz
1198553233121
3626230136624083742252739599588452583
1034690693393D36no
2017-09-22T10:02:20Oliver KruseManual testing
1198553233121
3626230136624083742252739599588452583
1034690693393D36no
2017-11-06T16:05:57kkmrkkblmbrbkc4.xlarge
1198553233121
3626230136624083742252739599588452583
1034690693393D__no
2020-04-17T19:02:33Oliver KruseAddPrpType5
1198553233121
3626230136624083742252739599588452583
9B70DBD7CD7590__no


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
240
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2021-09-14T19:43:11+00:00