Write a C program to check whether a given number is prime or ...

C program to find prime numbers

#include<stdio.h>

int main(){

    int num,i,count=0;
    printf("Enter a number: ");
    scanf("%d",&num);
    for(i=2;i<=num/2;i++){
        if(num%i==0){
         count++;
            break;
        }
    }
   if(count==0 && num!= 1)
        printf("%d is a prime number",num);
   else
      printf("%d is not a prime number",num);
   return 0;
}

output:

Enter a number: 11

11 is a prime number




-----------------------------------------------

Write a C++ program to find prime numbers between  answers .Write a C Program to check number is Prime number . How can you write a program that will determine if the.Program to print first n prime numbers in c.?

C program to determine prime number. Determining if a number is prime in c. C program to find given number is prime or not

By: Unknown On 2:45 AM

Continue Reading

C Program to find the perfect numbers between a given range

C PROGRAM TO FIND PERFECT NUMBERS IN GIVEN RANGE

#include<stdio.h>
int main(){
  int n,i,sum;
  int min,max;

  printf("Enter the minimum range-: ");
  scanf("%d",&min);

  printf("Enter the maximum range-: ");
  scanf("%d",&max);

  printf("Perfect numbers in the given range are-: ");
  for(n=min;n<=max;n++){
    i=1;
    sum = 0;

    while(i<n){
      if(n%i==0)
           sum=sum+i;
          i++;
    }

    if(sum==n)
      printf("%d ",n);
  }

  return 0;
}

output:

Enter the minimum range: 1

Enter the maximum range: 30

Perfect numbers in given range is: 6 28




------------------------------------------------

This program is used to check whether a given number is a perfect number or not. The program is to find all the perfect numbers inside the user defined range.

By: Unknown On 2:39 AM

Continue Reading

Find out the perfect number using c program

C code to check for a perfect number

#include<stdio.h>
int main(){
  int n,i=1,sum=0;

  printf("Enter a number: ");
  scanf("%d",&n);

  while(i<n){
      if(n%i==0)
           sum=sum+i;
          i++;
  }
  if(sum==n)
      printf("%d is a perfect number",i);
  else
      printf("%d is not a perfect number",i);

  return 0;
}

output:

Enter a number: 28

28 is a perfect number

------------------------------------------------

Searches related to C program to check perfect number c++ program to find perfect numbers c program to check whether a number is perfect or not write a c program to check given number is perfect number or not program to find perfect number in c write a c program for perfect number c program function for perfect number c program for perfect no perfect number logic in c

By: Unknown On 2:32 AM

Continue Reading