By the end of this chapter, students should be able to:

• Identify factors and multiples of whole numbers.
• Understand and apply divisibility rules.
• Identify prime numbers and determine whether a given number is prime.
• Find the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) using the listing method.
• Find the HCF and LCM using Venn diagrams.
• Solve real-life and mathematical problems involving HCF and LCM.