If x = 23 × 32 × 5 × 73 ,y = 22 × 33 × 52 × 72 , and z = 24 × 3 × 53 × 7 ,
then the HCF of x, y and z is:
1
420
2
1260
3
840
4
630
If x = 23 × 32 × 5 × 73 ,y = 22 × 33 × 52 × 72 , and z = 24 × 3 × 53 × 7 ,
then the HCF of x, y and z is: