is 2 3398051 - 1
has 1022916 decimal digits
takes 0.357 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
Actual26935.133968.1159%339805105339580.13633.9890%35.270269.3878%1.2718%
PrimeNet2600.045263.3333%140002800000.00432.8469%0.049564.3772%1.0439%
GPU722641.047565.6250%190003200000.00541.8190%1.052966.2503%0.6253%
Difference+5+34.0864+2.4909%+320805+10213958+0.1309+2.1700%+34.2174+3.1375%+3.1375%

Known prime factors (3 factors, 171.0 bits, 0.00503134% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33980516796103722.6961
1
-111.645e-131.523e-73.099e-7
3398051679610201929.340100
22 × 52
2008-09-0725252.150e-113.807e-67.748e-6
339805163357735803305084460884436127210043936118.93193226581654167469029870999769
3 × 19 × 241 × 6451 × 35543 × 101377 × 194977 × 1497421
2021-03-1419497714974215.180e+100.04050.0604

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
339805146187009258467031652.036
3398051430585698366049094419870099017440560978921743141.627
339805143058563564189064914783648274184879504097823945148.271
339805129263043301427599663455589638713268215243773330026
17
52170.967
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-14T18:15:36Jocelyn LaroucheManual testing3398053737856636118.9310.0800.7140.1603.191%
2021-03-15T02:07:17Jocelyn LaroucheManual testing33980571359076---0.108--3.685%
2021-03-15T10:44:13Jocelyn LaroucheManual testing339805105339586---0.136--3.989%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T19:48:00Will EdgingtonManual testing??29.34094.55577e-130.7709.83207e-13
2021-04-09T12:17:57Jocelyn LaroucheManual testing267268--8.797--
2021-11-19T13:03:15Jocelyn LaroucheManual testing268269--17.59--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.440 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.440 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.440


Lucas-Lehmer results:
Exponent "3398051" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-05T22:41:38Oliver KruseGTX-0
6796103
679610201
1D5739ADA3E3C5__no
2017-12-16T00:02:07kkmrkkblmbrbkc4.xlarge
6796103
679610201
1D5739ADA3E3C5__no
2021-03-18T05:45:36Sébastien BrouckePortable_Seb
6796103
679610201
633577358033050844608844361272100439
1D5739ADA3E3C548no


P-1 factor-bounds graph:
B1 = 339805, B2 = 10533958 (P-1 stage 2)
B1 = 339805, B2 = 7135907 (P-1 stage 2)
B1 = 339805, B2 = 3737856 (P-1 stage 2)
B1 = 339805 (P-1 stage 1)
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106
100
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108
TF factor-bounds graph:
269
268
2
220
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2100
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2120
Last modified: 2021-11-19T13:03:15+00:00