Question

Prime factorization find the hcf and lcm of 72 126 and 168 also

Answer 1

Answer:

6 and 504

Step-by-step explanation:

2   72, 126, 168

2    36, 63, 84

  3     18, 63, 42

     3     6, 21, 14

         2     2, 7, 14

           7       1, 7, 7

                     1, 1, 1

LCM=2*2*2*3*3*7=504

72=2*2*2*3*3

126=2*3*3*7

168=2*2*2*3*7

HCF=2*3=6