GMP-ECM 7.0.4-dev [configured with GMP 6.1.1, --enable-asm-redc] [ECM]
Input number is Phi(140436,10) (45264 digits)
Using B1=10000, B2=1678960, polynomial x^1, sigma=0:12953346316328120401
Step 1 took 417156ms
Step 2 took 92890ms
********** Factor found in step 2: 2549004621051752569
Found prime factor of 19 digits: 2549004621051752569
Composite cofactor (Phi(140436,10))/2549004621051752569 has 45246 digits