It is 71
71 is a prime number.
Yes, 71 is a prime number.
It is: 21*31*71 = 42
71 is a prime number. Its only prime factor is 71.
71 is a prime number.
71 is a prime number.
71 is a prime number.
71 is a Prime Number.
71
71 is, itself, a prime number.
71 is prime.
1 and 71 because 71 IS a prime number.