Greatest Common Factor of 80 and 82

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 80, 82 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 80 and 82 is 2.

GCF(80,82) = 2

GCF of 80 and 82

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

GCF of:
and

Greatest Common Factor of 80 and 82

GCF of 80 and 82 is 2

Prime Factorization of 80


2 80
2 40
2 20
2 10
5 5
1

Prime factors of 80 are 2,5. Prime factorization of 80 in exponential form is:

80 = 24×51

Prime Factorization of 82


2 82
41 41
1

Prime factors of 82 are 2,41. Prime factorization of 82 in exponential form is:

82 = 21×411

∴ So by taking common prime factors GCF of 80 and 82 is 2

Greatest Common Factor of 80 and 82 by matching factors method

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Greatest Common Factor

We found the factors and prime factorization of 80 and 82. The biggest common factor number is the GCF number.
So the greatest common factor 80 and 82 is 2.

Also check out the Least Common Multiple of 80 and 82

Properties of GCF 80 and 82

(i) The GCF of 80 and 82 is associative

GCF of 80 and 82 = GCF of 82 and 80

Related Greatest Common Factor of 80

Related Greatest Common Factor of 82

Frequently Asked Questions on GCF of 80 and 82

1. What is the GCF of 80 and 82?

Answer: GCF of 80 and 82 is 2.

2. What are the Factors of 80?

Answer: Factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80. There are 10 integers that are factors of 80. The greatest factor of 80 is 80.

3. What are the Factors of 82?

Answer: Factors of 82 are 1, 2, 41, 82. There are 4 integers that are factors of 82. The greatest factor of 82 is 82.

4. How to Find the GCF of 80 and 82?

Answer:

Greatest Common Factor of 80 and 82 = 2

Step 1: Find the prime factorization of 80

80 = 2 x 2 x 2 x 2 x 5

Step 2: Find the prime factorization of 82

82 = 2 x 41

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

GCF = 2

Step 4: Therefore, the greatest common factor of 80 and 82 is 2