GMP-ECM 7.0.4-dev [configured with GMP 6.1.1, --enable-asm-redc] [ECM] Input number is Phi(140746,10) (70372 digits) Using B1=10000, B2=1678960, polynomial x^1, sigma=0:5115292725322768329 Step 1 took 730375ms ********** Factor found in step 1: 99658521906640714877 Found prime factor of 20 digits: 99658521906640714877 Composite cofactor (Phi(140746,10))/99658521906640714877 has 70352 digits