Display Prime Numbers in Java

This post shows how you can generate and display prime numbers in Java in the given range.

A number is a prime number if can be divided either by 1 or by the number itself. So every number with in the given range has to be divided starting from 2 till number/2 in the loop. You only need to run your loop from 2 to N/2 (where N is the passed number), reason being no number is completely divisible by a number more than its half.

Java code to display prime numbers within the given range

Output

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