Question

Write the natural numbers from 2 to 12. what fraction of them are prime numbers

Answer 1

2 3 4 5 6 7 8 9 10 11 12
5 prime factors

Answer 2

Hi !!

Natural no:s from 2 to 12:-

3,4,5,6,7,8,9,10,11

9 no:s are natural no:s [ between 2 and 12]
out of them 3,5,7,11 are prime no:s [ having only 2 factors - one and the no: itself]

so 4/9 is the fraction of prime no:s