Question

2. Which of the following numbers are prime? a) 53 b) 12 c) 18 d) 28​

Answer 1

Answer:

a) 53 is prime

Step-by-step explanation:

Answer 2

Answer:

C,D

Step-by-step explanation:

A Prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself