? print(factor((m*18157+741)/q)) [2, 5; 11, 1; 101, 1; 109, 1; 42179, 1; 17582291, 1; 77642384551, 1; 97304484257, 1; 502367667457, 1; 3607830529489, 1; 1545000031585441, 1] ? sizedigit(q) %12 = 137 ? isprime(q) %13 = 0