Question

What is prime number.
What is composit number
What is common factor

Answer 1

Step-by-step explanation:

prime number : A number which divided by 1 or itself.

composit number : it is a positive Integer but not a prime number.

common factor : the greatest common divisor of two or more which are not all zero.

Answer 2

Prime number: The number which can be completely divided by 1 and itself only.

Example: 2, 3, 5, 7, 11, 13, etc

Composite number: The number which can be completely divided by 1, itself and any other number.

Example: 4, 6, 8, 9, 10, 12, 14, 15, etc

Common factor: When two or more numbers can be completely divided by any common number, then the common number is called as the common factor of those numbers.

Example: 5 is a common factor of 10, 15, 20