Greatest Common Factor of 1621 and 1625

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 1621, 1625 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1621 and 1625 is 1.

GCF(1621,1625) = 1

GCF of 1621 and 1625

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

GCF of:
and

Greatest Common Factor of 1621 and 1625

GCF of 1621 and 1625 is 1

Prime Factorization of 1621


1621 1621
1

Prime factors of 1621 are 1621. Prime factorization of 1621 in exponential form is:

1621 = 16211

Prime Factorization of 1625


5 1625
5 325
5 65
13 13
1

Prime factors of 1625 are 5.Prime factorization of 1625 in exponential form is:

1625 = 53×131

∴ So by taking common prime factors GCF of 1621 and 1625 is 1

Greatest Common Factor of 1621 and 1625 by matching factors method

Factors of 1621

List of positive integer factors of 1621 that divides 1621 without a remainder.

1,1621

Factors of 1625

List of positive integer factors of 1625 that divides 1625 without a remainder.

1,5,13,25,65,125,325,1625

Greatest Common Factor

We found the factors and prime factorization of 1621 and 1625. The biggest common factor number is the GCF number.
So the greatest common factor 1621 and 1625 is 1.

Also check out the Least Common Multiple of 1621 and 1625

Properties of GCF 1621 and 1625

(i) The GCF of 1621 and 1625 is associative

GCF of 1621 and 1625 = GCF of 1625 and 1621

Related Greatest Common Factor of 1621

Related Greatest Common Factor of 1625

Frequently Asked Questions on GCF of 1621 and 1625

1. What is the GCF of 1621 and 1625?

Answer: GCF of 1621 and 1625 is 1.

2. What are the Factors of 1621?

Answer: Factors of 1621 are 1, 1621. There are 2 integers that are factors of 1621. The greatest factor of 1621 is 1621.

3. What are the Factors of 1625?

Answer: Factors of 1625 are 1, 5, 13, 25, 65, 125, 325, 1625. There are 8 integers that are factors of 1625. The greatest factor of 1625 is 1625.

4. How to Find the GCF of 1621 and 1625?

Answer:

Greatest Common Factor of 1621 and 1625 = 1

Step 1: Find the prime factorization of 1621

1621 = 1621

Step 2: Find the prime factorization of 1625

1625 = 5 x 5 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 = = 1

Step 4: Therefore, the greatest common factor of 1621 and 1625 is 1