Math Gifs
Algebra
Geometry
Trigonometry
Calculus
Teacher Tools
Solver
Is 81 a prime number? [SOLVED]
Answer
81 is
not
a
prime number
.
Related links:
Is 81 a composite number?
Is 81 an even number?
Is 81 an irrational number?
Is 81 an odd number?
Is 81 a perfect number?
Is 81 a perfect square?
Is 81 a rational number?
What are the factors of 81?
What are the multiples of 81?
What is the prime factorization of 81?