GCSE Secondary Maths Age 13-17 - Number: Prime and Square Numbers - Explained

The video tutorial explains the concept of prime numbers, emphasizing their importance in GCSE exams. It defines a prime number as having only two factors: 1 and itself, and provides examples of numbers that are and are not prime. The tutorial then shifts focus to square numbers, explaining the concept and providing examples of square numbers, such as 16. The video aims to help students easily identify these numbers for exam success.

Which of the following numbers is a prime number?

• 16

• 17

• 15

• 14

What defines a prime number?

• A number with more than two factors

• A number with exactly two factors

• A number that is odd

• A number that is even

Which of the following is a square number?

• 8

• 10

• 16

• 18

What is the square of 3?

• 15

• 9

• 6

• 12

How is a square number formed?

• By dividing a number by itself

• By adding a number to itself

• By multiplying a number by itself

• By subtracting a number from itself