Greatest Common Factor of 87 and 89

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 87, 89 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 87 and 89 is 1.

GCF(87,89) = 1

GCF of 87 and 89

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

GCF of:
and

Greatest Common Factor of 87 and 89

GCF of 87 and 89 is 1

Prime Factorization of 87


3 87
29 29
1

Prime factors of 87 are 3,29. Prime factorization of 87 in exponential form is:

87 = 31×291

Prime Factorization of 89


89 89
1

Prime factors of 89 are 89. Prime factorization of 89 in exponential form is:

89 = 891

∴ So by taking common prime factors GCF of 87 and 89 is 1

Greatest Common Factor of 87 and 89 by matching factors method

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Greatest Common Factor

We found the factors and prime factorization of 87 and 89. The biggest common factor number is the GCF number.
So the greatest common factor 87 and 89 is 1.

Also check out the Least Common Multiple of 87 and 89

Properties of GCF 87 and 89

(i) The GCF of 87 and 89 is associative

GCF of 87 and 89 = GCF of 89 and 87

Related Greatest Common Factor of 87

Related Greatest Common Factor of 89

Frequently Asked Questions on GCF of 87 and 89

1. What is the GCF of 87 and 89?

Answer: GCF of 87 and 89 is 1.

2. What are the Factors of 87?

Answer: Factors of 87 are 1, 3, 29, 87. There are 4 integers that are factors of 87. The greatest factor of 87 is 87.

3. What are the Factors of 89?

Answer: Factors of 89 are 1, 89. There are 2 integers that are factors of 89. The greatest factor of 89 is 89.

4. How to Find the GCF of 87 and 89?

Answer:

Greatest Common Factor of 87 and 89 = 1

Step 1: Find the prime factorization of 87

87 = 3 x 29

Step 2: Find the prime factorization of 89

89 = 89

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 87 and 89 is 1