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Number Power and Place Value · Autumn Term

Highest Common Factor and Lowest Common Multiple

Finding the highest common factor (HCF) and lowest common multiple (LCM) of two or more numbers using prime factorisation.

Key Questions

  1. How can prime factorisation be used to efficiently find the HCF and LCM of numbers?
  2. Explain the practical applications of HCF and LCM in problem-solving scenarios.
  3. Differentiate between factors and multiples and their role in HCF and LCM calculations.

NCCA Curriculum Specifications

NCCA: Junior Cycle - Number - N.1.5
Class/Year: 2nd Class
Subject: Mathematical Explorers: Building Foundations
Unit: Number Power and Place Value
Period: Autumn Term

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