is 2 3650431 - 1
has 1098890 decimal digits
takes 0.383 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
Actual26816.328267.6471 %1000002348692501.96325.8476 %18.291369.5389 %
Target2640.975065.6250 %2200020000000.01982.0363 %0.994866.3250 %
Difference+4+15.3531+2.0221 %+78000+232869250+1.9434+3.8113%+17.2965+3.2140 %

Known prime factors (2 factors, 113.7 bits, 0.00311495% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3650431651023413195131445.8888917076
22 × 7 × 318467
-73184671.416e-60.00260.0049
36504312607854080862836021432167.82135719810631441
141371 × 252667171
2018-11-1014137125266717114.1682.11683.9155

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-03-19Lisander ViaeneManual testing100000100000--0.0151.536%
2022-03-19Lisander ViaeneDesktop100000234869250
skipped known factor: 65102341319513
--2.3318.705%
2022-05-20JossManual testing100000130364850
skipped known factor: 65102341319513
--1.3028.091%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2022-03-16JossManual testing267268
67.821
21


ECM factoring results:
Total ECM effort:0.297 GHz-days
Estimated T-Level:0.385
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.297


Lucas-Lehmer results:
No L-L results for M3650431


PRP results:
dateuseridcompidcofactorsres64
2017-11-11Oliver KruseGTX-2
65102341319513
1EAC4F7B60D6FD1E
2017-12-19kkmrkkblmbrbkc4.xlarge
65102341319513
1EAC4F7B60D6FD1E
2018-11-14Oliver KruseGTX-0
65102341319513
260785408086283602143
1EAC4F7B60D6FD1E


CERT results:
No CERT results for M3650431


P-1 factor-bounds graph:
B1 = 100000, B2 = 234869250 (P-1 stage 2)
B1 = 100000, B2 = 130364850 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.38 ~= -15-bit
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00