is 2 3398047 - 1
has 1022915 decimal digits
takes 0.357 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
Actual26817.540967.6471%33980437378510.07993.5445%17.620971.1915%7.8582%
PrimeNet2600.045263.3333%140002800000.00432.8469%0.049566.1802%2.8469%
GPU722641.047565.6250%190003200000.00541.8190%1.052967.4440%1.8190%
Difference+4+16.4935+2.0221%+320804+3417851+0.0746+1.7255%+16.5680+3.7475%+3.7475%

Known prime factors (1 factor, 25.9 bits, 0.00076121% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
339804761164847825.8669
32
-991.318e-121.371e-62.789e-6

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-15T10:44:17Jocelyn LaroucheManual testing33980437378516---0.080--3.544%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-04-01T01:35:54Jocelyn LaroucheManual testing267268--8.797--


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

ECM Summary

B1B2factorcurvesGHz-days
50000500000030.440


Lucas-Lehmer results:
Exponent "3398047" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-05T22:40:35Oliver KruseGTX-0
61164847
69764EA03BEFE4__no
2017-12-16T00:01:02kkmrkkblmbrbkc4.xlarge
61164847
69764EA03BEFE4__no


P-1 factor-bounds graph:
B1 = 339804, B2 = 3737851 (stage 2)
B1 = 339804 (stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
220
230
240
250
260
270
280
290
2100
Last modified: 2021-04-01T01:35:54+00:00