Question

wap in java to find prime factorials of a number given by user​

Answer 1

Question:-

Write a program in java to find prime factorials of a number.

Program:-

import java.util.*;

class Primorial

{

public static void main(String args[])

{

long f=1L;

int n, i;

Scanner sc=new Scanner(System.in);

System.out.print("Enter a number: ");

n=sc.nextInt();

for(i=2;i<=n;i++)

{

if(isPrime(i))

f*=i;

}

System.out.println("Primorial of the number is: "+f);

}

static boolean isPrime(int n)

{

int c=0;

for(int i=1;i<=n;i++)

{

if(n%i==0)

c++;

}

return (c==2);

}

}