Question

What is a composite number!!? Please help :0

Answer 1

Explanation:

21 is the composite number because it is the multiple of 3 and 7 which is non prime number

Answer 2

Composite number is the opposite of Prime numbers.

• Composite numbers have more than 2factors .

Looking at all numbers

• 37=1,37(Prime)
• 29=1,29(Prime)
• 43=1,43(Prime)
• 21=1,3,7,21(Composite)