Primes, HCF and LCM Practice Questions

Prime Factorisation and Perfect Cube Conditions

HCF by Prime Factorisation

Prime Factorisation and Square Roots

Lowest Common Multiple Introduction

Finding the Highest Common Factor (HCF)

Lowest Common Multiple Introduction

[EPQ Vol 1A] Question 13

Prime Factorisation and Number Properties of 3780

Finding the Greatest Common Divisor Using Prime Factorisation

[EPQ Vol 1A] Question 8

[EPQ Vol 1A] Question 11

Prime Factorisation and Square Root Evaluation

Prime Factorisation and Cube Problems Involving 594

[EPQ Vol 1A] Question 15

Identifying a Two-Digit Prime from Digit Conditions

Prime Factorisation, LCM and HCF with 792 and 990

Finding Unknown Factors from a Product Constraint

[EPQ Vol 1A] Question 9

[EPQ Vol 1A] Question 16

2025 GESS PRELIMS P1 Q20