What is the least common multiple of 32 and 128?

Answer 1

Start with your factor tree for each, it is simplest and sure way to not get a wrong answer.

so for

32

8------4

4---2 2---2

2---2

LCM= 2*2*2*2*2

Now 128

32------4

2*2

We already know 32 is 2*2*2*2*2

so LCM is 2*2*2*2*2*2*2=128 so 128 is you LCM of 32 and 128

Answer 2

It is: 128