find n-th prime number

Alive Ant answered on September 22, 2022 Popularity 1/10 Helpfulness 1/10

answer find n-th prime number

find n-th prime number

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import java.util.Scanner;

public class App3 {
    public static void main(String[] args) {
        Scanner scannerNum = new Scanner(System.in);

        int num, cnt = 0;
        int up = 2, first = 0, second = 1, next = 0;  
        num = scannerNum.nextInt();

        while (true)
        {
            if(isPrime(up))
            {
                System.out.print(up + " ");
                cnt++;
                if(cnt == num)
                {
                    System.out.println();
                    System.out.println(num + " - prime number is " + up);
                    return;
                }
            }
            up++;
        }


    }

    public static boolean isPrime(double i) {
        for (double j = 2; j <= Math.sqrt(i); j++) {

            if(i % j == 0)
            {
                return false;
            }

        }
        return true;
    }
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: find whatever

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Contributed on Sep 22 2022

Alive Ant

0 Answers Avg Quality 2/10

find n-th prime number

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