Question

Write down separately the prime and composite numbers upto 100​

Answer 1

Answer:

prime numbers and composite numbers less than 20 are,

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

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

Answer 2

Answer:

circled numbers are prime while slash marked numbers are composite..note that 1 is neither prime nor composite