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find prime number using c

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Pawan Rathour answered on March 25, 2021 Popularity 8/10 Helpfulness 7/10

answer find prime number using c

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find prime number using c

Comment

#include <stdio.h> 

main() {
  int n, i, c = 0;
  printf("Enter any number n:");
  scanf("%d", &n);

  //logic
  for (i = 1; i <= n; i++) {
      if (n % i == 0) {
         c++;
      }
  }

  if (c == 2) {
        printf("n is a Prime number");
  }
  else {
         printf("n is not a Prime number");
  }
  return 0;    
}
Program Output:

Popularity 8/10 Helpfulness 7/10 Language c

Source: www.w3schools.in

Tags: c find using

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Contributed on Jan 04 2023

Pawan Rathour

0 Answers Avg Quality 2/10

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Prime Number Check Program in C

Comment

#include <stdio.h> 

main() {
  int n, i, c = 0;
  printf("Enter any number n:");
  scanf("%d", &n);

  //logic
  for (i = 1; i <= n; i++) {
      if (n % i == 0) {
         c++;
      }
  }

  if (c == 2) {
  printf("n is a Prime number");
  }
  else {
  printf("n is not a Prime number");
  }
  return 0;    
}
Program Output:

Popularity 10/10 Helpfulness 7/10 Language c

Source: www.w3schools.in

Tags: c

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Contributed on Jan 01 2022

Repulsive Rattlesnake

0 Answers Avg Quality 2/10

prime numbers c

Comment

#include<stdio.h>
void main()
{
    int num;
    int prime = 1;
    printf("Enter a number = ");
    scanf("%d",&num);


    for(int i = 2; i < num; i++)
    {
        if(num % i == 0)
        {
            prime = 0;
            break;
        }
    }
    if(prime == 1 && num>0 && num !=1)
        printf("%d is a prime number.", num);
    else
        printf("%d isn't a prime number.", num);
    
}

Popularity 10/10 Helpfulness 6/10 Language c

Source: Grepper

Tags: c

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Contributed on Mar 10 2022

Assem Ayman

0 Answers Avg Quality 2/10

prime number in c

Comment

#include<stdio.h>
void main(){
    int num, i;
    int cp = 1;
    printf("Enter a number = ");
    scanf("%d",&num);

    if(num > 0){
        for(i = 2; i < num; i++){
            if(num % i == 0){
                cp = 0;
            }
        }
        if(cp == 1){
            printf("%d is a prime number.", num);
        }
        else{
            printf("%d isn't a prime number.", num);
        }
    }
}

Popularity 9/10 Helpfulness 6/10 Language c

Source: Grepper

Tags: c

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Contributed on Feb 24 2022

Excited Earthworm

0 Answers Avg Quality 2/10

prime number program in c

Comment

#include <stdio.h>

// Mahmudur Rahman Mahin

int main()
{
    int i, n, flag = 1;
    scanf("%d", &n);
    if (n<=1)
    {
        flag = 0;
    }
    else{
        for (i = 2; i < n; i++)
        {
        if (n % i == 0)
        {
            flag = 0;
            break;
        }
        else
            {
            flag = 1;
            }
        }
    }
    
     if (flag == 1)
        {
            printf("Prime number");
        }
    else {
        printf("Not Prime Number");
    }
    return 0;
}

Popularity 7/10 Helpfulness 5/10 Language c

Source: Grepper

Tags: c

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Contributed on May 05 2023

Depressed Dunlin

0 Answers Avg Quality 2/10

check prime number or not c

Comment

#include <stdio.h>

int main() {

  int n, i, flag = 0;
  printf("Enter a positive integer: ");
  scanf("%d", &n);


  if (n == 0 || n == 1)
    flag = 1;

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


    if (n % i == 0) {
      flag = 1;
      break;
    }
  }

  // flag is 0 for prime numbers
  if (flag == 0)
    printf("%d is a prime number.", n);
  else
    printf("%d is not a prime number.", n);

  return 0;
}

Popularity 9/10 Helpfulness 5/10 Language c

Source: Grepper

Tags: c

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Contributed on Apr 23 2022

SaadMakhdoom

0 Answers Avg Quality 2/10

prime numbers using c

Comment

#include <stdio.h>
#include <stdlib.h>
int main(void)
{
	int n,i,f=0;
	setbuf(stdout,NULL);
	printf("Enter the number to check whether it is a Prime Number or not = ");
	scanf("%d",&n);
	for(i=2;i<=(n/2);i++)
	{
		if(n%i==0)
		{
			f=1;
			break;
		}
	}
	if(f==1)
		printf("It is not a Prime Number");
	else
		printf("It is a Prime Number");
	return EXIT_SUCCESS;
}

Popularity 8/10 Helpfulness 5/10 Language c

Source: Grepper

Tags: c numbers using usin

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Contributed on Dec 21 2022

Rohith M P

0 Answers Avg Quality 2/10

prime number c program

Comment

int isPrime(int n) {
  for (int i = 2; i < n; i++) if (n % i == 0) return 0; 
  return 1;
}

Popularity 10/10 Helpfulness 4/10 Language c

Source: Grepper

Tags: c

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Contributed on Mar 25 2021

Hippo_error

0 Answers Avg Quality 2/10

prime number in c

Comment

#include<stdio.h>  
int main(){    
int n,i,m=0,flag=0;    
printf("Enter the number to check prime:");    
scanf("%d",&n);    
m=n/2;    
for(i=2;i<=m;i++)    
{    
if(n%i==0)    
{    
printf("Number is not prime");    
flag=1;    
break;    
}    
}    
if(flag==0)    
printf("Number is prime");     
return 0;  
 }

Popularity 9/10 Helpfulness 3/10 Language c

Source: www.javatpoint.com

Tags: c

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Contributed on Jun 19 2022

Rasel Ahmed

0 Answers Avg Quality 2/10

prime number in c

Comment

flag=0;
scanf("%d", &num);
for(i=2;i<=(num/2);i++)
    {
       if(num%i==0)
          flag=1;
    }
    if(flag==0)
        printf("%d is a prime number",num);

Popularity 1/10 Helpfulness 1/10 Language c

Source: www.studyfame.com

Tags: c

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Contributed on Feb 05 2022

Kind Kea

0 Answers Avg Quality 2/10

find prime number using c

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