#include <stdio.h>
 
int main() {
    int i = 2;
 
    printf("素数は以下の数です：\n");
 
    while (i <= 47) {
        int j = 2;
        int is_prime = 1;
 
        while (j < i) {
            if (i % j == 0) {
                is_prime = 0;
                break;
            }
            j++;
        }
 
        if (is_prime) {
            printf("%d  ", i);
        }
 
        i++;
    }
 
    printf("\n");
 
    printf("続行するには何かキーを押してください . . .");
 
    return 0;
}
 
 

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