answersLogoWhite

0

Two methods:

1) List the multiples of each (starting with 1x times, then 2 times, etc), and find the first number that is common to the lists.

2) List the numbers in their prime factorization in power format and multiply together the highest power of each prime that has been used across any of the numbers.

Using method 1:

4: 4, 8, 12, 16, ...

6: 6, 12, 18, ...

lcm(4, 6) = 12.

Using method 2:

4 = 2^2

6 = 2 x 3

The primes used are 2 and 3.

The highest power of 2 is 2^2 (in the factorization of 4)

The highest power of 3 is 3 [which is 3^1] (in the factorization of 6)

→ lcm = 2^2 x 3 = 12

User Avatar

Wiki User

8y ago

Still curious? Ask our experts.

Chat with our AI personalities

FranFran
I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
BeauBeau
You're doing better than you think!
Chat with Beau
SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve

Add your answer:

Earn +20 pts
Q: How do you get the LCM of 4 and 6?
Write your answer...
Submit
Still have questions?
magnify glass
imp