is 2 2569529 - 1
has 773506 decimal digits
takes 0.178 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
Actual26711.564067.1642%----11.564067.1642%0.0000%
PrimeNet2590.029962.7119%110002000000.00212.6890%0.032063.7146%1.0027%
GPU722630.621165.0794%120001900000.00221.5041%0.623365.6046%0.5252%
Difference+4+10.9428+2.0848%-12000-190000-0.0022-1.5041%+10.9406+1.5596%+1.5596%

Known prime factors (2 factors, 60.9 bits, 0.00236935% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
256952961668697825.87812
22 × 3
-441.744e-124.023e-78.187e-7
2569529344316886011135.0036700
22 × 52 × 67
2008-07-1425672.583e-92.744e-65.117e-6

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
256952921233573715334228971960.881
P-1 results:
No P-1 results for M2569529


Trial Factoring results:
No TF results for M2569529


ECM factoring results:

Old Calculation Method

Total ECM effort:0.277 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.277 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000030.277


Lucas-Lehmer results:
No L-L results for M2569529


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-15T05:22:08Oliver KruseGTX-1
61668697
34431688601
4D7CC04BA9FC62__no
2017-12-01T21:11:58kkmrkkblmbrbkc4.xlarge
61668697
34431688601
4D7CC04BA9FC62__no


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2018-03-20T22:04:22+00:00