Greatest Common Factor of 7805 and 7810

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 7805, 7810 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7805 and 7810 is 5.

GCF(7805,7810) = 5

GCF of 7805 and 7810

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

GCF of:
and

Greatest Common Factor of 7805 and 7810

GCF of 7805 and 7810 is 5

Prime Factorization of 7805


5 7805
7 1561
223 223
1

Prime factors of 7805 are 5,7,223. Prime factorization of 7805 in exponential form is:

7805 = 51×71×2231

Prime Factorization of 7810


2 7810
5 3905
11 781
71 71
1

Prime factors of 7810 are 2,5,11,71. Prime factorization of 7810 in exponential form is:

7810 = 21×51×111×711

∴ So by taking common prime factors GCF of 7805 and 7810 is 5

Greatest Common Factor of 7805 and 7810 by matching factors method

Factors of 7805

List of positive integer factors of 7805 that divides 7805 without a remainder.

1,5,7,35,223,1115,1561,7805

Factors of 7810

List of positive integer factors of 7810 that divides 7810 without a remainder.

1,2,5,10,11,22,55,71,110,142,355,710,781,1562,3905,7810

Greatest Common Factor

We found the factors and prime factorization of 7805 and 7810. The biggest common factor number is the GCF number.
So the greatest common factor 7805 and 7810 is 5.

Also check out the Least Common Multiple of 7805 and 7810

Properties of GCF 7805 and 7810

(i) The GCF of 7805 and 7810 is associative

GCF of 7805 and 7810 = GCF of 7810 and 7805

Frequently Asked Questions on GCF of 7805 and 7810

1. What is the GCF of 7805 and 7810?

Answer: GCF of 7805 and 7810 is 5.

2. What are the Factors of 7805?

Answer: Factors of 7805 are 1, 5, 7, 35, 223, 1115, 1561, 7805. There are 8 integers that are factors of 7805. The greatest factor of 7805 is 7805.

3. What are the Factors of 7810?

Answer: Factors of 7810 are 1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810. There are 16 integers that are factors of 7810. The greatest factor of 7810 is 7810.

4. How to Find the GCF of 7805 and 7810?

Answer:

Greatest Common Factor of 7805 and 7810 = 5

Step 1: Find the prime factorization of 7805

7805 = 5 x 7 x 223

Step 2: Find the prime factorization of 7810

7810 = 2 x 5 x 11 x 71

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 7805 and 7810 is 5