Greatest Common Factor of 620 and 622

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 620, 622 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 620 and 622 is 2.

GCF(620,622) = 2

GCF of 620 and 622

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

GCF of:
and

Greatest Common Factor of 620 and 622

GCF of 620 and 622 is 2

Prime Factorization of 620


2 620
2 310
5 155
31 31
1

Prime factors of 620 are 2,5,31. Prime factorization of 620 in exponential form is:

620 = 22×51×311

Prime Factorization of 622


2 622
311 311
1

Prime factors of 622 are 2,311. Prime factorization of 622 in exponential form is:

622 = 21×3111

∴ So by taking common prime factors GCF of 620 and 622 is 2

Greatest Common Factor of 620 and 622 by matching factors method

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 622

List of positive integer factors of 622 that divides 622 without a remainder.

1,2,311,622

Greatest Common Factor

We found the factors and prime factorization of 620 and 622. The biggest common factor number is the GCF number.
So the greatest common factor 620 and 622 is 2.

Also check out the Least Common Multiple of 620 and 622

Properties of GCF 620 and 622

(i) The GCF of 620 and 622 is associative

GCF of 620 and 622 = GCF of 622 and 620

Related Greatest Common Factor of 620

Related Greatest Common Factor of 622

Frequently Asked Questions on GCF of 620 and 622

1. What is the GCF of 620 and 622?

Answer: GCF of 620 and 622 is 2.

2. What are the Factors of 620?

Answer: Factors of 620 are 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620. There are 12 integers that are factors of 620. The greatest factor of 620 is 620.

3. What are the Factors of 622?

Answer: Factors of 622 are 1, 2, 311, 622. There are 4 integers that are factors of 622. The greatest factor of 622 is 622.

4. How to Find the GCF of 620 and 622?

Answer:

Greatest Common Factor of 620 and 622 = 2

Step 1: Find the prime factorization of 620

620 = 2 x 2 x 5 x 31

Step 2: Find the prime factorization of 622

622 = 2 x 311

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 620 and 622 is 2