Find the least common multiple (LCM) of 84 and 90.
Note
Prime factorize: 84 = 2^2·3·7 and 90 = 2·3^2·5, so LCM = 2^2·3^2·5·7 = 1260.
Find the least common multiple (LCM) of 84 and 90.
Prime factorize: 84 = 2^2·3·7 and 90 = 2·3^2·5, so LCM = 2^2·3^2·5·7 = 1260.