3 is a factor of 15 so ignore it.
8 factors to [2 2 2]
12 factors to [2 2 3]
15 factors to [3 5]
Highest power of...
2 is 3
3 is 1
5 is 1
So...
2^3*3^1*5^1 = 8*3*5 = 120 ■
60
60
60
The least common factor of any set of positive integers is 1.
The Least Common Multiple of 2 and 12 is 12.
It is: 120
60
The least multiple of 4 and 6 is 12.
The least common multiple of 19 , 12 = 228
7 2 x 2 x 3 = 12 3 x 5 = 15 2 x 2 x 3 x 5 x 7 = 420, the LCM
The least common multiple of 12 and 35 is 420.
Least Common Multiple (LCM) for 7 12 is 84.