Question

Find the number of factors of number 648
a) 10 b) 22 c) 20 d) 18 e) none​

Answer 1

648=18*36 so number of factors is 18

Answer 2

Answer:

The factors of 648 are as follows:-

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,162,216,324,648

the total factors are 20 so the answer is (c)