Hello there!
You had to find the prime factorization of 12
3*2*2=12
Then you find the prime factorization of 7.
7*1=7
7*3*2*2=84
Answer⇒⇒84
The least common multiple of 12 and 7 is 84.
Hope this helps!
Thank you for posting your question at here on Brainly.
-Charlie
