Perfect Numbers
The number 6 is said to be a perfect number because it is equal to the sum of all its exact divisors (other than itself).6 = 1 + 2 + 3
Write a java program that finds and prints the three smallest perfect numbers. Use methods
View Answers
March 23, 2010 at 10:33 AM
Hi Friend,
Try the following code:
public class PerfectNumber{
public static void main(String[]args){
int sum=0, x=0;
for(int num=1;num<500;num++){
for(int i=1;i<num;i++){
x=num%i;
if(x==0)
sum=sum+i;
}
if(sum==num){
System.out.println("Perfect Number is: "+num);
System.out.println("Factors are: ");
for(int i=1;i<num;i++){
x=num%i;
if(x==0)
System.out.println(i);
}
}
sum=0;
}
}
}
Thanks
Try the following code:
public class PerfectNumber{
public static void main(String[]args){
int sum=0, x=0;
for(int num=1;num<500;num++){
for(int i=1;i<num;i++){
x=num%i;
if(x==0)
sum=sum+i;
}
if(sum==num){
System.out.println("Perfect Number is: "+num);
System.out.println("Factors are: ");
for(int i=1;i<num;i++){
x=num%i;
if(x==0)
System.out.println(i);
}
}
sum=0;
}
}
}
Thanks
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