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Can a pair of numbers have fewer than two common factors?

Updated: 8/20/2019
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8y ago

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Yes, a pair of numbers can have fewer than two common factors. This only happens when the numbers are co-prime -- that is, when the numbers have only one common factor. In that case, the common factor is always 1.

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8y ago
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Q: Can a pair of numbers have fewer than two common factors?
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