is 2 2915467 - 1
has 877644 decimal digits
takes 0.225 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
Actual26710.191867.1642%----10.191867.1642%0.0000%
PrimeNet2590.026362.7119%130002600000.00303.0672%0.029363.8556%1.1437%
GPU722630.547465.0794%160003000000.00351.9109%0.551065.7467%0.6673%
Difference+4+9.6444+2.0848%-16000-300000-0.0035-1.9109%+9.6409+1.4175%+1.4175%

Known prime factors (1 factor, 35.8 bits, 0.00122773% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2915467595746526791135.79410217
17 × 601
-176011.902e-95.467e-66.844e-6

P-1 results:
No P-1 results for M2915467


Trial Factoring results:
No TF results for M2915467


ECM factoring results:

Old Calculation Method

Total ECM effort:0.315 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.315 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.315


Lucas-Lehmer results:
No L-L results for M2915467


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-25T04:18:43Oliver KruseGTX-0
59574652679
CA56C6F3A16AB6__no
2017-12-08T20:15:03kkmrkkblmbrbkc4.xlarge
59574652679
CA56C6F3A16AB6__no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2018-05-28T12:35:25+00:00