Question

3. Which is the first odd composite number?​

Answer 1

Answer:All the odd integers which are not prime are odd composite numbers. Examples of composite odd numbers are 9, 15, 21, 25, 27, 31, etc. Consider the numbers 1, 2, 3, 4, 9, 10, 11,12, and 15 . Here 9 and 15 are the odd composites because those two numbers have the odd divisors and satisfy the composite condition.

Answer 2

Answer:

All the odd integers which are not prime are odd composite numbers. Examples of composite odd numbers are 9,