Question 1- Write a program to
check the given number is prime or not?
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import java.util.*;
class PrimeTest
{
public static void main(String
args[])
{
System.out.print("Enter
The Number: ");
Scanner sc=new
Scanner(System.in);
int
number=sc.nextInt();
boolean
flag=true;
for(int
i=2;i<=number/2;i++)
{
if(number%i==0)
{
flag=false;
break;
}
}
if(flag)
{
System.out.println("Prime
Numner");
}
else
{
System.out.println("Not
Prime Numner");
}
}
}
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Question 2- Write a program to
find HCF of given two numbers?
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//This Java program
accepts 2 numbers from the user and prints their HCF.
import java.util.*;
class hcf
{
public static void main(String Args[])
{
System.out.println("Enter 2
numbers");
Scanner sc=new Scanner(System.in);
int m=sc.nextInt();
int n=sc.nextInt();
int h=1;
int p=m*n;
for(int i=2;i<p;i++)
{
if((m%i==0)&&(n%i==0))
{
h=i;
}
}
System.out.println("HCF="+h);
}
}
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