It is a Prime number because it is a whole number (not a decimal) that can only be divided equally (without a remainder) by 1 and 97.
97 is a prime number. Thus its prime factorisation is itself: 97. (1 is NOT a prime number.)
97 is a prime number.
97 is a prime number.
97 is a prime number.
97 is a prime number
97 is prime.
The prime factors of 97 are 1 and 97. Thus, 97 is a prime number.
97 is a prime number.
97 is prime.
9409 is not prime. 9409 = 97 * 97
97 is a prime and so has no proper factors.
It is a prime number