Question

4. Find the LCM using prime factorisation :
(b) 13, 39

Please Answer In Full Statement​

Answer 1

Alternatively, the lcm of 13 and 39 can be found using the prime factorization of 13 and 39: The prime factorization of 13 is: 13. The prime factorization of 39 is: 3 x 13. Eliminate the duplicate factors of the two lists, then multiply them once with the remaining factors of the lists to get lcm(13,13) = 39.