Square-free integers: Difference between revisions
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test for whether a number is square-free can be written in one line: |
test for whether a number is square-free can be written in one line: |
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def |
def is_square_free: . as $n | all( squares; divides($n) | not); |
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In words: to verify whether an integer, $n, is square_free, check that no admissible square divides $n. |
In words: to verify whether an integer, $n, is square_free, check that no admissible square divides $n. |
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