5 ms·
I always just prime factorize and then repeatedly multiply. So 7 * 8 becomes 7 * 2 * 2 * 2 becomes 14 * 2 * 2 becomes 28 * 2 becomes 56.
by mccr8 12y ago
I always just prime factorize and then repeatedly multiply. So 7 * 8 becomes 7 * 2 * 2 * 2 becomes 14 * 2 * 2 becomes 28 * 2 becomes 56.