# What Is The Prime Factors Of 81

What Is The Prime Factors Of 81. 81 is a perfect square number. The factor pairs of 81 are 1 x 81, 3 x 27, and 9 x 9. Factors of 67 Cuemath from www.cuemath.com

The only prime factor of 81 is 3. 81 is not a prime number. More interesting math facts here.

### In This Lesson, We Will.

9 is divisible by 3, 9/3 = 3. 81 = 3 x 3 x 3 x 3 or 3^4the prime factor of 81 is 3the only prime factor of 81 is 3.the only prime factor of 81 is:. More interesting math facts here.

### Thus, The Prime Factors Of 81 Are:

And finally, divide 3 by 3, you get 1. What is the greatest common factor of 80 and 81? For calculation, here's how to calculate prime factorization of 81 using the formula above, step by step instructions are given below.

### 81 ÷ 27 = 3.

Divide the given composite number by its smallest prime factor. Divide 27 by 3, you get 9. Thus, the prime factorization of 81 is = 3 × 3 × 3 × 3.

### When We Count The Number.

The smallest prime number which can divide 80 without a remainder is 2. The prime factor of 81 is. 81 = 3 x 3 x 3 x.

### 9 Can Further Be Factored As 3 × 3 = 9.

3 is a prime number. If the resulting quotient is a composite number, divide it by its smallest prime factor. 81 is divisible by 3, 81/3 = 27.