Javascript program to find whether a number is prime or composite

a javascript program designed to determine whether a number is prime or composite typically involves defining a function that checks the properties of the given number. the function begins by handling edge cases, such as numbers less than 2, which are neither prime nor composite. for numbers greater than 1, the program iterates through potential divisors, starting from 2 up to the square root of the number. if the number is divisible by any of these divisors, it is classified as composite; otherwise, it is prime. the efficiency of the algorithm is enhanced by only checking divisors up to the square root, as any larger factor would have a corresponding smaller factor. the program outputs the result, providing clear feedback on whether the number in question is prime or composite, aiding users in understanding basic number theory concepts. this approach is fundamental in programming and mathematics, demonstrating control structures and logical reasoning.
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