What is the least common multiple of 90 80 and 75?

Answer 1

5 No, this is the highest common factor!

90 = 2 x 3 x 3 x 5; 80 = 2 x 2 x 2 x 2 x 5, 75 = 3 x 5 x 5

LCM = 90 x 8 x 5 ie 3600