Question

write the prime and composite factors from 1 to 20 . please answer it quickly​

Answer 1

prime numbers– 2,3,5,7,11,13,17,19.

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

Answer 2

Prime factors: 2,3,5,7,11, 13,17 and 19

composite factors: 4,8,9,10,12,14,15,16, 18 and 20