Coprime (or Relatively Prime or Mutually Prime) numbers
have no common factors other than 1
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Useful for Fractions
When we simplify a fraction as much as possible, then the top and bottom numbers (the numerator and denominator) are coprime.
If the top and bottom numbers of a fraction are not coprime (like 6 and 10 that share the factor 2), then we can simplify the fraction.
Coprime Table 1 to 12