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BUILT-IN MATHEMATICA SYMBOL

CoprimeQ

yields True if

and

are relatively prime, and yields False otherwise.

yields True if all pairs of the

are relatively prime, and yields False otherwise.

8, 9, and 11 are relatively prime:

Out[1]=

CoprimeQ works with numbers of any size:

CoprimeQ threads itself element-wise over lists:

Gaussian integers:

Plot pairs of numbers that are relatively prime:

Find the fraction of pairs of the first 100 numbers that are relatively prime:

The result is close to

Find the first 2x2 block of white squares in the array of coprime numbers:

Plot which triples of numbers are relatively prime:

2D slices:

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