Factor them.
2 x 2 x 5 = 20
2 x 3 x 3 x 5 = 90
Combine the highest number of each factor.
2 x 2 x 3 x 3 x 5 = 180, the LCM
180
The least common multiple of 20 and 45 is 180.
The least common multiple of 8, 30 and 45 is 360.
180
The least common multiple of 45 , 3 , 5 = 45
45 is a multiple of both 15 and itself, so 45 is the least common multiple of 15 and 45.
The least common multiple of 20 and 45 is 180.
The least common multiple of 8, 30 and 45 is 360.
180
4140
180
The least common multiple of 45 and 25 is 225.The least common multiple of 25 , 45 = 225
Least common multiple of 45 and 65 is 585.
The Least Common Multiple of 45, 3, and 5 is 45.
The least common multiple of 45 , 3 , 5 = 45
The Greatest Common Factor of 15, 45: 15The Least Common Multiple of 15, 45: 45
45 is a multiple of both 15 and itself, so 45 is the least common multiple of 15 and 45.
The least common multiple of 2 , 45 = 90