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  1. #include <stdio.h>
  2. #include <math.h>
  3. int noOfFactors(int N){
  4. 	float x=sqrt(N);
  5. 	int c=2;
  6. 	for(int i=2;i<=(int)x;i++){
  7. 		if(N%i==0){
  8. 			c+=2;
  9. 		}
  10. 	}
  11. 	if(x==(int)x)
  12. 	{
  13. 		c=c-1;
  14. 	}
  15. 	return c;
  16. }
  17. main(){
  18. 	//Part A
  19. 	int n;
  20. 	printf("Enter a number :");
  21. 	scanf("%d", &n);
  22. 	int x=sqrt(n);
  23. 	printf("Factors of %d are :\n", n);
  24. 	for(int i=1;i<=x;i++){
  25. 		if(n%i==0){
  26. 			printf("%d, %d, ", i, n/i);
  27. 		}
  28. 	}
  29. 	printf("\n");
  30. 	//Part B
  31. 	int N;
  32. 	printf("Enter a number N :");
  33. 	scanf("%d", &N);
  34. 	int a=1;
  35. 	for(int i=1;i<=N;i++){
  36. 		if(noOfFactors(i)>noOfFactors(a))
  37. 			a=i;
  38. 	}
  39. 	printf("From 1 to %d the number containing maximum factors is %d", N, a);
  40.  
  41. }
  42.  
Success #stdin #stdout 0s 4720KB
comments (?)
stdin
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75
50
stdout
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Enter a number :Factors of 75 are :
1, 75, 3, 25, 5, 15, 
Enter a number N :From 1 to 50 the number containing maximum factors is 48
https://ideone.com/zZima8
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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