Question

Of the following factors of 28, put a check beside each prime factor

Answer 1

The factors of 28 are 1, 2, 4, 7, 14, 28.
The prime ones are 2 and 7.

Answer 2

The prime factors of 28 are 2 and 7.

Explanation:

Factors are numbers that are multiplied together to produce another number. example factors of 36 = 1, 2, 3, 4, 6, 9, 12, 36.

Prime numbers are numbers greater than 1 whose only factors are 1 and itself. example 2, 3, 5, 7, etc.

We have to find the prime factors of 28.

First we find the factors of 28 and then we pick up the prime factors.

Factors of 28 are 1, 2, 4, 7, 14, 28

Out of above factors only 2 and 7 are prime numbers

Thus, the prime factors of 28 are 2 and 7.