Prime Factors, HCF and LCM (OCR GCSE Maths): Quizzes

A factor that is a prime number

$1$ is not a prime number

When all branches end in prime numbers

$2^2 \times 3 \times 5$

$2^3 \times 3^2 \times 5$

Highest Common Factor

Largest number dividing both exactly

Lowest Common Multiple

Smallest number that is a multiple of both

In the overlapping section

$8$

$120$