Program to check given Number is Prime Number or Not | SpiderShell

Program to check given Number is Prime Number or Not | SpiderShell

Program to check given Number is Prime Number or Not | SpiderShell

          Hello friend , program likhana start karne se pahle hame yeh janana jaruri hain ki Prime Number hote kya hai ? To chaliye jan lete hai Prime Number ka matlab. friends Prime Number voh Number hote hai jo 1 se bade hote hai or khudase / 1 se vibhajit hote hai. Example se aapko pata chalega.

Example : 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37.... yeh Prime Number hai Friends.

Program 1 : 

#include<stdio.h>

void 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");
   

 } 

Output : 

Enter the number to check prime : 67

Number is Prime

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

Program 2 :

#include<stdio.h>

void 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");
 
 }

Output :

Enter the number to check prime : 91

Number is not prime.