Greatest Common Factor of 3820 and 3821

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 3820, 3821 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 3820 and 3821 is 1.

GCF(3820,3821) = 1

GCF of 3820 and 3821

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

GCF of:
and

Greatest Common Factor of 3820 and 3821

GCF of 3820 and 3821 is 1

Prime Factorization of 3820


2 3820
2 1910
5 955
191 191
1

Prime factors of 3820 are 2,5,191. Prime factorization of 3820 in exponential form is:

3820 = 22×51×1911

Prime Factorization of 3821


3821 3821
1

Prime factors of 3821 are 3821. Prime factorization of 3821 in exponential form is:

3821 = 38211

∴ So by taking common prime factors GCF of 3820 and 3821 is 1

Greatest Common Factor of 3820 and 3821 by matching factors method

Factors of 3820

List of positive integer factors of 3820 that divides 3820 without a remainder.

1,2,4,5,10,20,191,382,764,955,1910,3820

Factors of 3821

List of positive integer factors of 3821 that divides 3821 without a remainder.

1,3821

Greatest Common Factor

We found the factors and prime factorization of 3820 and 3821. The biggest common factor number is the GCF number.
So the greatest common factor 3820 and 3821 is 1.

Also check out the Least Common Multiple of 3820 and 3821

Properties of GCF 3820 and 3821

(i) The GCF of 3820 and 3821 is associative

GCF of 3820 and 3821 = GCF of 3821 and 3820

Frequently Asked Questions on GCF of 3820 and 3821

1. What is the GCF of 3820 and 3821?

Answer: GCF of 3820 and 3821 is 1.

2. What are the Factors of 3820?

Answer: Factors of 3820 are 1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820. There are 12 integers that are factors of 3820. The greatest factor of 3820 is 3820.

3. What are the Factors of 3821?

Answer: Factors of 3821 are 1, 3821. There are 2 integers that are factors of 3821. The greatest factor of 3821 is 3821.

4. How to Find the GCF of 3820 and 3821?

Answer:

Greatest Common Factor of 3820 and 3821 = 1

Step 1: Find the prime factorization of 3820

3820 = 2 x 2 x 5 x 191

Step 2: Find the prime factorization of 3821

3821 = 3821

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 3820 and 3821 is 1