Greatest Common Factor of 81 and 88

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 81, 88 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 81 and 88 is 1.

GCF(81,88) = 1

GCF of 81 and 88

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 81 and 88

GCF of 81 and 88 is 1

Prime Factorization of 81


3 81
3 27
3 9
3 3
1

Prime factors of 81 are 3. Prime factorization of 81 in exponential form is:

81 = 34

Prime Factorization of 88


2 88
2 44
2 22
11 11
1

Prime factors of 88 are 2.Prime factorization of 88 in exponential form is:

88 = 23×111

∴ So by taking common prime factors GCF of 81 and 88 is 1

Greatest Common Factor of 81 and 88 by matching factors method

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Greatest Common Factor

We found the factors and prime factorization of 81 and 88. The biggest common factor number is the GCF number.
So the greatest common factor 81 and 88 is 1.

Also check out the Least Common Multiple of 81 and 88

Properties of GCF 81 and 88

(i) The GCF of 81 and 88 is associative

GCF of 81 and 88 = GCF of 88 and 81

Related Greatest Common Factor of 81

Related Greatest Common Factor of 88

Frequently Asked Questions on GCF of 81 and 88

1. What is the GCF of 81 and 88?

Answer: GCF of 81 and 88 is 1.

2. What are the Factors of 81?

Answer: Factors of 81 are 1, 3, 9, 27, 81. There are 5 integers that are factors of 81. The greatest factor of 81 is 81.

3. What are the Factors of 88?

Answer: Factors of 88 are 1, 2, 4, 8, 11, 22, 44, 88. There are 8 integers that are factors of 88. The greatest factor of 88 is 88.

4. How to Find the GCF of 81 and 88?

Answer:

Greatest Common Factor of 81 and 88 = 1

Step 1: Find the prime factorization of 81

81 = 3 x 3 x 3 x 3

Step 2: Find the prime factorization of 88

88 = 2 x 2 x 2 x 11

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 81 and 88 is 1