Is 15 a Prime or Composite

An element may be an integer which will be divided evenly into another number. Unfortunately this still doesnt work if the largest prime factor occurs 3 or more times eg.

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Apr 2 2014 at 2235.

. The number 1 is neither prime nor composite. See my answer for a fix. The above code might be fastestbut it fails on 27 right.

497 1 1 gold badge 7 7 silver badges 15 15 bronze badges. The few prime numbers are 2 3 5 7 11 13 17 19 23 29 and so on. Add a comment 9 Isnt largest prime factor of 27 is 3.

A prime number may be an integer greater than 1 whose only factors are 1 and itself. 27 333 The above code returns 1 As far as I. Numbers that have more than two factors are called composite numbers.

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Comparing Prime And Composite Numbers Poster Prime And Composite Numbers Sixth Grade Math Math School