Greatest Common Factor of 622 and 628

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 622, 628 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 622 and 628 is 2.

GCF(622,628) = 2

GCF of 622 and 628

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

GCF of:
and

Greatest Common Factor of 622 and 628

GCF of 622 and 628 is 2

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

Prime Factorization of 628


2 628
2 314
157 157
1

Prime factors of 628 are 2,157. Prime factorization of 628 in exponential form is:

628 = 22×1571

∴ So by taking common prime factors GCF of 622 and 628 is 2

Greatest Common Factor of 622 and 628 by matching factors method

Factors of 622

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

1,2,311,622

Factors of 628

List of positive integer factors of 628 that divides 628 without a remainder.

1,2,4,157,314,628

Greatest Common Factor

We found the factors and prime factorization of 622 and 628. The biggest common factor number is the GCF number.
So the greatest common factor 622 and 628 is 2.

Also check out the Least Common Multiple of 622 and 628

Properties of GCF 622 and 628

(i) The GCF of 622 and 628 is associative

GCF of 622 and 628 = GCF of 628 and 622

Frequently Asked Questions on GCF of 622 and 628

1. What is the GCF of 622 and 628?

Answer: GCF of 622 and 628 is 2.

2. 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.

3. What are the Factors of 628?

Answer: Factors of 628 are 1, 2, 4, 157, 314, 628. There are 6 integers that are factors of 628. The greatest factor of 628 is 628.

4. How to Find the GCF of 622 and 628?

Answer:

Greatest Common Factor of 622 and 628 = 2

Step 1: Find the prime factorization of 622

622 = 2 x 311

Step 2: Find the prime factorization of 628

628 = 2 x 2 x 157

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 622 and 628 is 2