Question

use fundamental theorem of arithmetic find lcm of 72 80 and 120

Answer 1

$80 = 72 \times 1 + 8 = 72 = 8 \times 9 + 0 = 120 = 15 \times 8 + 0 = lcm = 8$

Answer 2

Fundamental theorem means the Prime factorization method.

Use this method and find the answer, the answer will be 10800.