GMP-ECM 7.0.5 [configured with GMP 6.2.1, --enable-asm-redc] [ECM]
Input number is (10^261+7)/131278067/225288857 (245 digits)
Using B1=43000000, B2=240490660426, polynomial Dickson(12), sigma=1:400784410
Step 1 took 173442ms
Step 2 took 54721ms
********** Factor found in step 2: 56873263770145509820030310521728822564681386539
Found prime factor of 47 digits: 56873263770145509820030310521728822564681386539
Prime cofactor ((10^261+7)/131278067/225288857)/56873263770145509820030310521728822564681386539 has 198 digits