is 2 2936753 - 1
has 884051 decimal digits
takes 0.250 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26710.117967.1642%----10.117967.1642%0.0000%
PrimeNet2590.026162.7119%130002600000.00333.0712%0.029463.8570%1.1452%
GPU722630.543565.0794%170003000000.00401.9460%0.547565.7589%0.6795%
Difference+4+9.5745+2.0848%-17000-300000-0.0040-1.9460%+9.5705+1.4053%+1.4053%

Known prime factors (3 factors, 149.3 bits, 0.00508521% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
293675319206364631030.839327
3 × 109
-31095.216e-111.083e-61.316e-6
2936753421361608149267771755.2267173936796
22 × 13 × 31 × 4450333
2015-07-213144503330.00190.02990.0559
2936753111615356799803531692063.2751900319107528
23 × 6703 × 35437847
2017-01-176703354378470.64300.23910.4450

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2936753809282468719801625812697512686.065
2936753214372524100457654199990012472994.114
293675347030426235319525604238367133490631336118.501
293675390328351497986499331362315260162894943669091945149.340
P-1 results:
No P-1 results for M2936753


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-01-13T12:23:00TJAOIManual testing255256*55.226170.0000.5310.001
2022-03-10T18:31:22LordJuliusManual testing2126230.839105.21550e-110.5341.11479e-10
2022-03-10T18:31:23LordJuliusManual testing2126255.226170.0020.5310.004
2022-03-10T18:31:23LordJuliusManual testing262263--0.334--
2017-01-17T17:27:55TJAOIManual testing263264*63.275200.1000.5080.202


ECM factoring results:

Old Calculation Method

Total ECM effort:0.347 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.347 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.347


Lucas-Lehmer results:
No L-L results for M2936753


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-25T05:40:00Oliver KruseGTX-3
1920636463
42136160814926777
11161535679980353169
1B8742BDE9564D__no
2017-12-09T17:02:59treborLaptop
1920636463
42136160814926777
11161535679980353169
1B8742BDE9564D__no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
264
263
262
256
230
240
250
260
270
280
290
2100
Last modified: 2022-03-10T18:31:23+00:00