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Prime Factors, HCF and LCM
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Factors, multiples and primes

Factors, multiples and primes

A factor divides a number exactly, and a multiple is a number in its times table. HCF is about common factors, while LCM is about common multiples.

Prime Factors, HCF and LCM Lesson

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

Step-by-step lessons on CCEA GCSE Maths Prime Factors, HCF and LCM. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.