Greatest Common Factor of 805 and 808

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 805, 808 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 805 and 808 is 1.

GCF(805,808) = 1

GCF of 805 and 808

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

GCF of:
and

Greatest Common Factor of 805 and 808

GCF of 805 and 808 is 1

Prime Factorization of 805


5 805
7 161
23 23
1

Prime factors of 805 are 5,7,23. Prime factorization of 805 in exponential form is:

805 = 51×71×231

Prime Factorization of 808


2 808
2 404
2 202
101 101
1

Prime factors of 808 are 2,101. Prime factorization of 808 in exponential form is:

808 = 23×1011

∴ So by taking common prime factors GCF of 805 and 808 is 1

Greatest Common Factor of 805 and 808 by matching factors method

Factors of 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Factors of 808

List of positive integer factors of 808 that divides 808 without a remainder.

1,2,4,8,101,202,404,808

Greatest Common Factor

We found the factors and prime factorization of 805 and 808. The biggest common factor number is the GCF number.
So the greatest common factor 805 and 808 is 1.

Also check out the Least Common Multiple of 805 and 808

Properties of GCF 805 and 808

(i) The GCF of 805 and 808 is associative

GCF of 805 and 808 = GCF of 808 and 805

Frequently Asked Questions on GCF of 805 and 808

1. What is the GCF of 805 and 808?

Answer: GCF of 805 and 808 is 1.

2. What are the Factors of 805?

Answer: Factors of 805 are 1, 5, 7, 23, 35, 115, 161, 805. There are 8 integers that are factors of 805. The greatest factor of 805 is 805.

3. What are the Factors of 808?

Answer: Factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808. There are 8 integers that are factors of 808. The greatest factor of 808 is 808.

4. How to Find the GCF of 805 and 808?

Answer:

Greatest Common Factor of 805 and 808 = 1

Step 1: Find the prime factorization of 805

805 = 5 x 7 x 23

Step 2: Find the prime factorization of 808

808 = 2 x 2 x 2 x 101

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 805 and 808 is 1