Greatest Common Factor of 821 and 824

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 821, 824 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 821 and 824 is 1.

GCF(821,824) = 1

GCF of 821 and 824

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

GCF of:
and

Greatest Common Factor of 821 and 824

GCF of 821 and 824 is 1

Prime Factorization of 821


821 821
1

Prime factors of 821 are 821. Prime factorization of 821 in exponential form is:

821 = 8211

Prime Factorization of 824


2 824
2 412
2 206
103 103
1

Prime factors of 824 are 2.Prime factorization of 824 in exponential form is:

824 = 23×1031

∴ So by taking common prime factors GCF of 821 and 824 is 1

Greatest Common Factor of 821 and 824 by matching factors method

Factors of 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 824

List of positive integer factors of 824 that divides 824 without a remainder.

1,2,4,8,103,206,412,824

Greatest Common Factor

We found the factors and prime factorization of 821 and 824. The biggest common factor number is the GCF number.
So the greatest common factor 821 and 824 is 1.

Also check out the Least Common Multiple of 821 and 824

Properties of GCF 821 and 824

(i) The GCF of 821 and 824 is associative

GCF of 821 and 824 = GCF of 824 and 821

Frequently Asked Questions on GCF of 821 and 824

1. What is the GCF of 821 and 824?

Answer: GCF of 821 and 824 is 1.

2. What are the Factors of 821?

Answer: Factors of 821 are 1, 821. There are 2 integers that are factors of 821. The greatest factor of 821 is 821.

3. What are the Factors of 824?

Answer: Factors of 824 are 1, 2, 4, 8, 103, 206, 412, 824. There are 8 integers that are factors of 824. The greatest factor of 824 is 824.

4. How to Find the GCF of 821 and 824?

Answer:

Greatest Common Factor of 821 and 824 = 1

Step 1: Find the prime factorization of 821

821 = 821

Step 2: Find the prime factorization of 824

824 = 2 x 2 x 2 x 103

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 821 and 824 is 1