is 2 3250207 - 1
has 978410 decimal digits
takes 0.277 GHz-days to do one PRP 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
Actual26818.338867.6471%32502065004140.08163.9589%18.420471.6060%8.2727%
PrimeNet2600.047363.3333%140002600000.00342.7709%0.050666.1042%2.7709%
GPU722641.095165.6250%160002800000.00371.6549%1.098967.2799%1.6549%
Difference+4+17.2437+2.0221%+309020+6220414+0.0779+2.3041%+17.3216+4.3261%+4.3261%

Known prime factors (2 factors, 158.2 bits, 0.00486886% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
32502072499084162311237.86338445
3 × 5 × 11 × 233
11233-7.444e-92.850e-62.967e-6
3250207173633440806801377003487609666446169737120.385267111357533230001971393836864
26 × 33 × 11 × 31 × 101 × 179 × 769 × 10903 × 241567 × 12379693
241567123796932021-01-094.909e+100.11140.1555

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
325020743392458196766818979931533095173488451943260400748158.248
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-25T20:19:20Jocelyn LaroucheManual testing108340108340---0.013--0.905%
2021-01-09T12:30:09Jocelyn LaroucheManual testing325020325020---0.040--1.597%
2021-01-09T13:00:03Jocelyn LaroucheManual testing3250203250207637120.3850.0600.5530.1203.391%
2021-01-17T23:14:15Jocelyn LaroucheManual testing32502065004146---0.082--3.959%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-04-09T12:17:57Jocelyn LaroucheManual testing267268--9.197--


ECM factoring results:
Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

ECM Summary

B1B2factorcurvesGHz-days
50000500000030.353


Lucas-Lehmer results:
Exponent "3250207" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-02T03:09:02ATHec2-1xd
249908416231
925A749978B794__no
2017-11-19T10:46:47Oliver KruseThreadripper
249908416231
925A749978B794__no
2021-01-09T18:22:40mrhw
249908416231
1736334408068013770034876096664461697
925A749978B7949Ano


P-1 factor-bounds graph:
B1 = 325020, B2 = 6500414 (stage 2)
B1 = 325020, B2 = 3250207 (stage 2)
B1 = 325020 (stage 1)
B1 = 108340 (stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
230
240
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2021-04-09T12:17:57+00:00