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Published: 15/12/2011
7 pages

Introducing prime factor trees

Explore the work of Goldbach, expressing even numbers as the sum of two primes. Then move onto Euclid's work in expressing any number as a product of primes, to introduce prime factor decomposition. This PowerPoint includes step-by-step examples followed by a consolidation exercise.    

See other resources: Number | Number properties – prime factors

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