
1EM Unit 1 – Primes, HCF and LCM
Learning Objectives:
- Understand the definition of prime numbers and composite numbers.
- Determine whether a whole number is prime or composite.
- Express a composite number as the product of its prime factors, i.e., perform the prime factorisation.
- Solve problems involving perfect square, perfect cube, square root, or cube root using prime factorisation.
- Find the highest common factor (HCF) and the lowest common multiple (LCM) of two or more whole numbers.
- Solve problems involving the real-world applications of prime numbers, HCF and LCM.
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