GMP-ECM 7.0.4-dev [configured with GMP 6.1.1, --enable-asm-redc] [ECM]
Input number is Phi(12716,10)/38149/62664449/234113090480745829 (5411 digits)
Using B1=47000, B2=15438160, polynomial x^2, sigma=1:1694927628
Step 1 took 55484ms
Step 2 took 15188ms
********** Factor found in step 2: 8288802889698536041
Found probable prime factor of 19 digits: 8288802889698536041
Composite cofactor (Phi(12716,10)/38149/62664449/234113090480745829)/8288802889698536041 has 5392 digits