Calculate the least common multiple (LCM) of 8, 12, and 20.
Note
Take highest powers of prime factors: 8 = 2^3, 12 = 2^2×3, 20 = 2^2×5, so LCM = 2^3×3×5 = 120.
Calculate the least common multiple (LCM) of 8, 12, and 20.
Take highest powers of prime factors: 8 = 2^3, 12 = 2^2×3, 20 = 2^2×5, so LCM = 2^3×3×5 = 120.