void programul_4() {

	int n, a[100], i = 0, j, k = 0, count = 0, p = 0;
	int sn, v[100], s = 0, count2 = 0, var_check = 0;
	int vector[100], loop, kp = 3;
	int c;


	printf("Introdu numarul :");
	scanf("%d", &n);

	for (i = 1; i <= n; i++)
	{
		if (n%i == 0)
		{
			a[p++] = i;
			count++;
		}
	}
	for (i = 2; i < n; i++)
	{
		if (n%i == 0)
			k++;
		if (n == 1)
			k++;
	}

	if (k == 0)
		printf("\nNumarul (%d) este prim! \n", n);

	else
		printf("\nNumarul (%d) nu este prim!\n", n);

	printf("\n");
	printf("Divizorii lui %d sunt {", n);
	for (i = 0; i < count; i++)
		printf("%d,", a[i]);
	printf("}");

	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");



	printf("Tabela operatiei ^\n");
	printf("\n");
	printf("\n");
	printf("^");
	for (i = 0; i < count; i++)

		printf("\t%d", a[i]);
	printf("\n__________________________________________________________________________________");


	for (i = 0; i < count; i++)
	{
		printf("\n%d\t", a[i]);

		for (j = 0; j < count; j++)
		{
			if (a[i] < a[j])
				printf("%d\t", a[i]);
			else
				printf("%d\t", a[j]);
		}
		printf("\n");
	}

	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");



	printf("Tabela operatiei V\n");
	printf("\n");
	printf("\n");
	printf("V");
	for (i = 0; i < count; i++)

		printf("\t%d", a[i]);
	printf("\n__________________________________________________________________________________");


	for (i = 0; i < count; i++)
	{
		printf("\n%d\t", a[i]);

		for (j = 0; j < count; j++)
		{
			if (a[i] > a[j])
				printf("%d\t", a[i]);
			else
				printf("%d\t", a[j]);
		}
		printf("\n");
	}

	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");
	printf("\n");

	printf("Decompunerea in factorii primi a numarului (%d) este :", n);

	sn = n;
	for (i = 2; i <= sn; i++)
	{
		if (sn%i == 0)
		{
			v[s++] = i;
			sn /= i;
			count2++;
			i--;
		}
	}

	for (i = 0; i < count2; i++)
		printf("%d*", v[i]);

	for (i = 0; i <= count2; i++)
	{
		for (int ii = i + 1; ii <= count2; ii++)
		{
			if (v[i] == v[ii])
				++var_check;
		}
	}
	printf("\n");
	if (var_check == 0)
		printf("\nNumarul este liber de patrate !\n");
	else
		printf("\nNumarul nu este liber de patrate !\n");
	printf("Prim{");
	printPrime(n);
	printf("}");

}