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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. int n, i, j, count;
  6.  
  7.     printf("Enter the limit: ");
  8.     scanf("%d", &n);
  9.  
  10.     printf("Prime numbers are:\n");
  11.  
  12.     for (i = 2; i <= n; i++) {
  13.         count = 0;
  14.         for (j = 1; j <= i; j++) {
  15.             if (i % j == 0)
  16.                 count++;
  17.         }
  18.         if (count == 2)  // divisible by 1 and itself
  19.             printf("%d ", i);
  20.     }
  21.  
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5324KB
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stdin
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100
stdout
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Enter the limit: Prime numbers are:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
https://ideone.com/mgGVks
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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