Maths

Prime & Composite Numbers

Know and use the vocabulary of prime numbers, prime factors and composite numbers.

MathsAge 11+25 minutes

What this topic covers

  • Define prime and composite numbers by their number of factors.
  • Recall the primes up to 100 and test whether a number is prime.
  • Identify the prime factors of a number.

Core concept summaries

Key ConceptsPrime Means Exactly Two FactorsTesting for PrimesPrime Factors and the Odd Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

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