Learn: Factors, Multiples, and Prime Numbers

Welcome!Today, we'll explore factors, multiples, and prime numbers. These concepts are fundamental in mathematics and help us understand number relationships better. Let's dive in!

What are Factors?Factors are numbers that divide exactly into another number without leaving a remainder. For example, the factors of 6 are 1, 2, 3, and 6 because 6 ÷ 1 = 6, 6 ÷ 2 = 3, 6 ÷ 3 = 2, and 6 ÷ 6 = 1.

What are Multiples?Multiples are numbers that result from multiplying a given number by whole numbers. For example, the multiples of 4 are 4, 8, 12, 16, and so on.

What are Prime Numbers?Prime numbers are numbers that have exactly two factors: 1 and themselves. For example, 7 is a prime number because it can only be divided by 1 and 7.

Finding the Highest Common Factor (HCF)The Highest Common Factor (HCF) is the largest number that is a factor of two or more numbers. For example, the HCF of 12 and 18 is 6.

Finding the Lowest Common Multiple (LCM)The Lowest Common Multiple (LCM) is the smallest number that is a multiple of two or more numbers. For example, the LCM of 4 and 6 is 12.

Prime FactorisationPrime factorisation involves breaking a number into its prime factors. For example, 18 can be written as 2 × 3 × 3.

Review Time!Great work! You've learned about factors, multiples, prime numbers, HCF, LCM, and prime factorisation. Now let's test your understanding with a few questions.

Well Done!You did a fantastic job learning about factors, multiples, and prime numbers. Keep practising to strengthen your skills even more!