Greatest Common Factor of 122 and 130

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 122, 130 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 122 and 130 is 2.

GCF(122,130) = 2

GCF of 122 and 130

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

GCF of:
and

Greatest Common Factor of 122 and 130

GCF of 122 and 130 is 2

Prime Factorization of 122


2 122
61 61
1

Prime factors of 122 are 2,61. Prime factorization of 122 in exponential form is:

122 = 21×611

Prime Factorization of 130


2 130
5 65
13 13
1

Prime factors of 130 are 2,5,13. Prime factorization of 130 in exponential form is:

130 = 21×51×131

∴ So by taking common prime factors GCF of 122 and 130 is 2

Greatest Common Factor of 122 and 130 by matching factors method

Factors of 122

List of positive integer factors of 122 that divides 122 without a remainder.

1,2,61,122

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors and prime factorization of 122 and 130. The biggest common factor number is the GCF number.
So the greatest common factor 122 and 130 is 2.

Also check out the Least Common Multiple of 122 and 130

Properties of GCF 122 and 130

(i) The GCF of 122 and 130 is associative

GCF of 122 and 130 = GCF of 130 and 122

Related Greatest Common Factor of 122

Related Greatest Common Factor of 130

Frequently Asked Questions on GCF of 122 and 130

1. What is the GCF of 122 and 130?

Answer: GCF of 122 and 130 is 2.

2. What are the Factors of 122?

Answer: Factors of 122 are 1, 2, 61, 122. There are 4 integers that are factors of 122. The greatest factor of 122 is 122.

3. What are the Factors of 130?

Answer: Factors of 130 are 1, 2, 5, 10, 13, 26, 65, 130. There are 8 integers that are factors of 130. The greatest factor of 130 is 130.

4. How to Find the GCF of 122 and 130?

Answer:

Greatest Common Factor of 122 and 130 = 2

Step 1: Find the prime factorization of 122

122 = 2 x 61

Step 2: Find the prime factorization of 130

130 = 2 x 5 x 13

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 122 and 130 is 2