Nope - 81 is a square number, and the next one is 100. 89 is actually a PRIME number
89 is a prime number.
The number 89 is prime.
Yes, 89 is a prime number.
89 is a prime number.
Since 89 is a prime number, the prime factorization of the number is simply 89.
its prime
Yes, 89 is prime.
its prime
Prime
prime
89 is a prime number