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If one of the numbers is a multiple of the other, the smaller number is the GCF. If the two numbers are prime numbers, the GCF is 1. If the numbers are consecutive, the GCF is 1. If the numbers are consecutive even numbers, the GCF is 2.

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โˆ™ 2013-03-21 19:08:06
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Q: How can you find the gcf of two numbers without knowing the factors?
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