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Prime number program in c


Here we written code for to check given number is Prime or Not.

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Task : Write a c program to print nth prime number.

Write a C Program to Find Whether the Given number is Prime or Not.

int main()
  int a,i,count=0; //’a’ is user defined number, ‘i’ for iteratiions, ‘count’ for counting factor of given number.

  printf(“Enter a number :”);
    if(a%i==0) //check the iteration value is factor of given number or not.

  if(count==2) //Every prime number should have only two factors.

    printf(“Given number is PRIME number\n”);
    printf(“Given number is Non-PRIME number\n”);
  return 0;

Output :
i) Enter a number : 28541
Given number is PRIME number
ii)Enter a number : 30857
Given number is Non-PRIME number

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