| j ≠ 0, j / gcd(j, j0) * j / gcd(j, j0) = (j0 / gcd(j0, j) * j0 * i) / gcd(j, j0), prime(i), 0 < j, 0 < j0 ⊦ gcd(j, j0) = 1, j = 0, j0 = 0 |
j / gcd(j, j0) * j / gcd(j, j0) = (j0 / gcd(j0, j) * j0 * i) / gcd(j, j0), prime(i), 0 < j, 0 < j0 ⊦ gcd(j, j0) = 1, j0 = 0, j = 0