Question: what is the least common multiple for 6 and 3?
Answer: 1×3=3, 2×3=6, 3×3=9,… The factorization of 6: 1×6=6, 2×6=12, 3×6=18,… Since the factorization of 3 and 6 shows 6 to be the smallest number evenly divided by both 3 and 6, 6 is the LCM.