2020-05-01 素数判定 yakusu = []import randomsecret_number = random.randint(1,999)print(secret_number)for n in range(2,secret_number): if secret_number % n == 0: yakusu.append(n)for x in yakusu: print(x)if len(yakusu) == 0: print(str(secret_number) + 'は素数です')