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Prime Factors, HCF and LCM
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Factors, multiples and primes

Factors, multiples and primes

A factor divides exactly into a number, while a multiple is a number in another number's times table. A prime number has exactly two factors, 1 and itself.

Prime Factors, HCF and LCM Lesson

  1. IGCSE
  2. /Maths
  3. /Prime Factors, HCF and LCM

Step-by-step lessons on Edexcel IGCSE Maths Prime Factors, HCF and LCM. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons