Greatest common factor and least common multiple
The greatest common factor (GCF) is the largest number that divides evenly into two numbers: the GCF of 8 and 12 is 4. The least common multiple (LCM) is the smallest number that both numbers divide into evenly: the LCM of 4 and 6 is 12.
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
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