is 2 2822579 - 1
has 849681 decimal digits
takes 0.218 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
Actual26710.527267.1642%----10.527267.1642%0.0000%
PrimeNet2590.027262.7119%120002400000.00272.9314%0.029963.8049%1.0930%
GPU722630.565465.0794%160002600000.00331.8256%0.568765.7169%0.6375%
Difference+4+9.9618+2.0848%-16000-260000-0.0033-1.8256%+9.9585+1.4473%+1.4473%

Known prime factors (2 factors, 94.4 bits, 0.00334318% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
282257950806423825.5999
32
-991.587e-121.008e-62.051e-6
28225795016808720392434131612168.76588869234845020
22 × 5 × 73 × 12954698957
2018-05-153431295469895741.65579.045147.63

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2822579254886105958346734490215331032994.364
P-1 results:
No P-1 results for M2822579


Trial Factoring results:
No TF results for M2822579


ECM factoring results:

Old Calculation Method

Total ECM effort:0.209 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.209 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.209


Lucas-Lehmer results:
No L-L results for M2822579


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-22T03:36:23Oliver KruseGTX-3
50806423
94680F6590F2BA__no
2017-12-07T08:47:08kkmrkkblmbrbkold
50806423
94680F6590F2BA__no
2018-05-16T10:49:24Oliver KruseGTX-1
50806423
501680872039243413161
94680F6590F2BA__no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2018-05-16T10:49:24+00:00