Greatest Common Factor of 7821 and 7828

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 7821, 7828 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7821 and 7828 is 1.

GCF(7821,7828) = 1

GCF of 7821 and 7828

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

GCF of:
and

Greatest Common Factor of 7821 and 7828

GCF of 7821 and 7828 is 1

Prime Factorization of 7821


3 7821
3 2607
11 869
79 79
1

Prime factors of 7821 are 3,11,79. Prime factorization of 7821 in exponential form is:

7821 = 32×111×791

Prime Factorization of 7828


2 7828
2 3914
19 1957
103 103
1

Prime factors of 7828 are 2,19,103. Prime factorization of 7828 in exponential form is:

7828 = 22×191×1031

∴ So by taking common prime factors GCF of 7821 and 7828 is 1

Greatest Common Factor of 7821 and 7828 by matching factors method

Factors of 7821

List of positive integer factors of 7821 that divides 7821 without a remainder.

1,3,9,11,33,79,99,237,711,869,2607,7821

Factors of 7828

List of positive integer factors of 7828 that divides 7828 without a remainder.

1,2,4,19,38,76,103,206,412,1957,3914,7828

Greatest Common Factor

We found the factors and prime factorization of 7821 and 7828. The biggest common factor number is the GCF number.
So the greatest common factor 7821 and 7828 is 1.

Also check out the Least Common Multiple of 7821 and 7828

Properties of GCF 7821 and 7828

(i) The GCF of 7821 and 7828 is associative

GCF of 7821 and 7828 = GCF of 7828 and 7821

Related Greatest Common Factor of 7821

Related Greatest Common Factor of 7828

Frequently Asked Questions on GCF of 7821 and 7828

1. What is the GCF of 7821 and 7828?

Answer: GCF of 7821 and 7828 is 1.

2. What are the Factors of 7821?

Answer: Factors of 7821 are 1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 7821. There are 12 integers that are factors of 7821. The greatest factor of 7821 is 7821.

3. What are the Factors of 7828?

Answer: Factors of 7828 are 1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828. There are 12 integers that are factors of 7828. The greatest factor of 7828 is 7828.

4. How to Find the GCF of 7821 and 7828?

Answer:

Greatest Common Factor of 7821 and 7828 = 1

Step 1: Find the prime factorization of 7821

7821 = 3 x 3 x 11 x 79

Step 2: Find the prime factorization of 7828

7828 = 2 x 2 x 19 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 7821 and 7828 is 1