Greatest Common Factor of 802 and 805

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 802, 805 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 802 and 805 is 1.

GCF(802,805) = 1

GCF of 802 and 805

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

GCF of:
and

Greatest Common Factor of 802 and 805

GCF of 802 and 805 is 1

Prime Factorization of 802


2 802
401 401
1

Prime factors of 802 are 2,401. Prime factorization of 802 in exponential form is:

802 = 21×4011

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

∴ So by taking common prime factors GCF of 802 and 805 is 1

Greatest Common Factor of 802 and 805 by matching factors method

Factors of 802

List of positive integer factors of 802 that divides 802 without a remainder.

1,2,401,802

Factors of 805

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

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

Greatest Common Factor

We found the factors and prime factorization of 802 and 805. The biggest common factor number is the GCF number.
So the greatest common factor 802 and 805 is 1.

Also check out the Least Common Multiple of 802 and 805

Properties of GCF 802 and 805

(i) The GCF of 802 and 805 is associative

GCF of 802 and 805 = GCF of 805 and 802

Frequently Asked Questions on GCF of 802 and 805

1. What is the GCF of 802 and 805?

Answer: GCF of 802 and 805 is 1.

2. What are the Factors of 802?

Answer: Factors of 802 are 1, 2, 401, 802. There are 4 integers that are factors of 802. The greatest factor of 802 is 802.

3. 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.

4. How to Find the GCF of 802 and 805?

Answer:

Greatest Common Factor of 802 and 805 = 1

Step 1: Find the prime factorization of 802

802 = 2 x 401

Step 2: Find the prime factorization of 805

805 = 5 x 7 x 23

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 802 and 805 is 1