Greatest Common Factor of 621 and 625

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 621, 625 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 621 and 625 is 1.

GCF(621,625) = 1

GCF of 621 and 625

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

GCF of:
and

Greatest Common Factor of 621 and 625

GCF of 621 and 625 is 1

Prime Factorization of 621


3 621
3 207
3 69
23 23
1

Prime factors of 621 are 3,23. Prime factorization of 621 in exponential form is:

621 = 33×231

Prime Factorization of 625


5 625
5 125
5 25
5 5
1

Prime factors of 625 are 5. Prime factorization of 625 in exponential form is:

625 = 54

∴ So by taking common prime factors GCF of 621 and 625 is 1

Greatest Common Factor of 621 and 625 by matching factors method

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Factors of 625

List of positive integer factors of 625 that divides 625 without a remainder.

1,5,25,125,625

Greatest Common Factor

We found the factors and prime factorization of 621 and 625. The biggest common factor number is the GCF number.
So the greatest common factor 621 and 625 is 1.

Also check out the Least Common Multiple of 621 and 625

Properties of GCF 621 and 625

(i) The GCF of 621 and 625 is associative

GCF of 621 and 625 = GCF of 625 and 621

Related Greatest Common Factor of 621

Related Greatest Common Factor of 625

Frequently Asked Questions on GCF of 621 and 625

1. What is the GCF of 621 and 625?

Answer: GCF of 621 and 625 is 1.

2. What are the Factors of 621?

Answer: Factors of 621 are 1, 3, 9, 23, 27, 69, 207, 621. There are 8 integers that are factors of 621. The greatest factor of 621 is 621.

3. What are the Factors of 625?

Answer: Factors of 625 are 1, 5, 25, 125, 625. There are 5 integers that are factors of 625. The greatest factor of 625 is 625.

4. How to Find the GCF of 621 and 625?

Answer:

Greatest Common Factor of 621 and 625 = 1

Step 1: Find the prime factorization of 621

621 = 3 x 3 x 3 x 23

Step 2: Find the prime factorization of 625

625 = 5 x 5 x 5 x 5

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 621 and 625 is 1