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lab7/primenumber.c

+#include <stdio.h>
+
+int main()
+{
+	int matrix[5][5];
+	int i, j ,k;
+	for (i=0;i<5;i++){
+		for(j=0;j<5;j++){
+			printf("insert the value for [%d %d]\n", i+1, j+1);
+			scanf("%d",&matrix[i][j]);
+		}
+	}
+		
+	for (i=0;i<5;i++){
+		j = 0;
+		while(j<5){
+			k=2;
+			if(k >= matrix[i][j]){
+					printf("matrix[%d][%d]  is %d\n", i+1, j+1, matrix[i][j]);	
+				}
+			while(k<matrix[i][j]){
+				if(matrix[i][j] % k == 0){
+					break;
+					}
+				k++;
+				if(k == matrix[i][j]){
+					printf("matrix[%d][%d]  is %d\n", i+1, j+1, matrix[i][j]);	
+				}
+			}
+			j++;
+		}
+	}
+	
+	
+
+    return 0;
+}