Question

How many natural number of there from 2 to 20 what fraction of them are prime number​

Answer 1

the natural number from 2 to 20 are 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20. there are 19 natural numbers. prime numbers are 2,3,5,7,11,13,17,19. there are 8 prime numbers

HOPE IT HELPED YOU