Find the least common multiple (LCM) of 8, 12, and 20.
Note
Prime factorize each: 8 = 2^3, 12 = 2^2·3, 20 = 2^2·5. Take highest powers: 2^3·3·5 = 8·3·5 = 120.
Find the least common multiple (LCM) of 8, 12, and 20.
Prime factorize each: 8 = 2^3, 12 = 2^2·3, 20 = 2^2·5. Take highest powers: 2^3·3·5 = 8·3·5 = 120.