Sometimes you are given numbers expressed as a product of prime factors. For example, 8 = 2 3 and 90 = 2 × 3 2 × 5. If you want to find the LCM and HCF in an exam, we can use prime factor form to ...

The least common multiple is the smallest number that two or more numbers will divide into evenly. This means that the LCM must contain all the prime factors of each number in question. Suppose we ...

A prime factor is a natural number, other than 1, whose only factors are 1 and itself. The first few prime numbers are actually 2, 3, 5, 7, 11, and so on. Now we can also use what’s called prime ...

Narrator: Prime Numbers are numbers which can only be divided by themselves and 1. And Prime factors are the prime numbers which multiply together to make a number. It can take some time to work out ...

To determine if a number is prime, you can use the following steps: (i) Check if the number is greater than 1. Prime numbers must be greater than 1. (ii) Check divisibility: Divide the number by all ...