kr

#include <iostream>
using namespace std;

int main()
{
    int n = 7;
    int m = 8;
    const int N = 100;
    int s[N][N];

    bool is = true;

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            s[i][j] = rand() % 10;
        }
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            for (int x = 2; x < sqrt(s[i][j]); x++) {
                if (s[i][j] % x == 0) {
                    is = false;
                    break;
                }
            }
        }
    }

    if (is)
    {
        cout << "true" << endl;
    }
    else
    {
        cout << "false" << endl;
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            cout << s[i][j] << " ";
        }
        cout << endl;
    }
}