Question

Write separately down the prime and composite number less than 20

Answer 1

Answer:

Prime no.s : 1,2,3,5,7,11,13,17,19

Composite no.s : 4,6,8,9,10,12,14,15,16,18,20

Answer 2

prime numbers: 2,3,5,7,11,13,17 and 19

composite numbers:4,6,8,9,10,12,14,15,16,18,20