📅  最后修改于: 2022-03-11 14:59:45.255000             🧑  作者: Mango
prime factorize 18, 27, 36
18 = 2^2 x 3^2
27 = 3^3
36 = 2^2 x 3^2
take each prime number with highest exponent
2^2 x 3^3 = 4x27
LCM = 108