is 2 3391363 - 1
has 1020902 decimal digits
takes 0.356 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26935.203268.1159 %33913633685605003.54649.1308 %38.749571.0272 %
Target2641.049565.6250 %1800016000000.01591.7912 %1.065466.2407 %
Difference+5+34.1537+2.4909 %+3373363+366960500+3.5305+7.3396%+37.6841+4.7865 %

Known prime factors (2 factors, 138.8 bits, 0.00409306% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
339136310309743531029.941152
23 × 19
-8192.178e-111.310e-62.479e-6
339136359277016734832205186515891534060733108.86987394090126642599430547381
523 × 733 × 991 × 1933 × 7873 × 9967 × 1516583
2020-11-04996715165833.802e+100.01400.0235

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-10-21JossManual testing339136339136
skipped known factor: 1030974353
---2.644%
2020-11-04JossManual testing33913633913636233108.8690.0775.221%
2021-12-21JossManual testing3391363111907950
skipped known factor: 1030974353
skipped known factor: 592770167348322051865158915340607
--1.48311.322%
2022-08-16JossManual testing3391363368560500
skipped known factor: 1030974353
skipped known factor: 592770167348322051865158915340607
--3.71313.175%


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2021-04-09JossManual testing267268
2021-12-09JossManual testing268269


ECM factoring results:
Total ECM effort:0.377 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.377


Lucas-Lehmer results:
No L-L results for M3391363


PRP results:
dateuseridcompidcofactorsres64
2017-11-05Oliver KruseGTX-0
1030974353
85B8222F7D219B81
2017-12-15kkmrkkblmbrbkc4.xlarge
1030974353
85B8222F7D219B81
2020-11-06fre_gamesgpu
1030974353
592770167348322051865158915340607
85B8222F7D219B81


CERT results:
No CERT results for M3391363


P-1 factor-bounds graph:
B1 = 3391363, B2 = 368560500 (P-1 stage 2)
B1 = 3391363, B2 = 111907950 (P-1 stage 2)
B1 = 3391363 (P-1 stage 1)
B1 = 339136, B2 = 3391363 (P-1 stage 2)
B1 = 339136 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
269
268
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
290
2100
2110
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00