GMP-ECM 7.0.4-dev [configured with GMP 6.1.1, --enable-asm-redc] [ECM]
Input number is Phi(17198,10) (8598 digits)
Using B1=250000, B2=183032866, polynomial Dickson(3), sigma=1:2646319238
Step 1 took 601586ms
Step 2 took 123163ms
********** Factor found in step 2: 213875165012817706040647
Found prime factor of 24 digits: 213875165012817706040647
Composite cofactor (Phi(17198,10))/213875165012817706040647 has 8575 digits
GMP-ECM 7.0.4-dev [configured with GMP 6.1.1, --enable-asm-redc] [ECM]
Resuming ECM residue saved by alfred@ALFRED-HP-32-NE with GMP-ECM 7.0.4-dev on Wed Feb 21 20:02:58 2018
Input number is Phi(17198,10) (8598 digits)
Using B1=250000-250000, B2=183032866, polynomial Dickson(3), sigma=1:1221155170
Step 1 took 0ms
Step 2 took 124520ms
********** Factor found in step 2: 151419622804368547047169
Found prime factor of 24 digits: 151419622804368547047169
Composite cofactor (Phi(17198,10))/151419622804368547047169 has 8575 digits
# c8552