Factors of an integer: Difference between revisions
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=={{header|Quackery}}==
<code>isqrt</code> returns the integer square root and remainder (i.e. the square root of 11 is 3 remainder 2, because three squared plus two equals eleven.) If the number is a perfect square the remainder is zero. This is used to remove a duplicate factor from the list of factors which is generated when finding the factors of a perfect square.
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