The number of positive divisors of 20 excluding 1 are
Answers
Answered by
1
we can write 20 as product of 2 , 2, 5
we can write it as 2 power 2 × 5
so by number theory no of positive divisors are 3×2 which is 6
but we need to exclude 1 so the number of positive divisors excluding 1 are 5
we can write it as 2 power 2 × 5
so by number theory no of positive divisors are 3×2 which is 6
but we need to exclude 1 so the number of positive divisors excluding 1 are 5
Similar questions