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- #include <stdio.h>
- #include <stdlib.h>
- int primos (int n);
- int main()
- {
- int n;
- printf ("Digite um numero n: \n");
- scanf ("%d", &n);
- printf ("\n \nO numero de primos no intervalo entre 2 e n e': %d", primos (n));
- }
- int primos (int n)
- {
- int i, count=0, div,j;
- for (i=2;i<=n;i++)
- {
- div=0;
- for (j=1;j<=i;j++)
- {
- if (i%j==0)
- {
- div++;
- }
- }
- if (div==2)
- {
- count++;
- }
- }
- return count;
- }
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