Example & Tutorial understanding programming in easy ways.

print first 10 prime number

Prime number:

-A number that only divisible by the 1 or by itself is known as prime number.

Example-

prime numbers:
2,3,5,7,11,13,.......
Not prime numbers:
4,8,9,10,.....

-Here we show the first 10 prime number.

program-

#include < stdio.h>
int prime(int n)
{
int i;
for(i=2;i< n-1;i++)
{
if(n%i==0)
return 0;
}
return 1;
}
int main()
{
int i=0,n=3;
printf("First 10 prime number is :\n");
while(i< 10){
if(prime(n)){
printf("%d,",n);
i++;
}
n++;
}
}


output-

First 10 prime number is :
3,5,7,11,13,17,19,23,29,31

-In this program, we run the while loop inside the main function, and we pass every value in prime() function and it will return the prime number.




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