Greatest Common Factor of 770 and 774

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 770, 774 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 770 and 774 is 2.

GCF(770,774) = 2

GCF of 770 and 774

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

GCF of:
and

Greatest Common Factor of 770 and 774

GCF of 770 and 774 is 2

Prime Factorization of 770


2 770
5 385
7 77
11 11
1

Prime factors of 770 are 2,5,7,11. Prime factorization of 770 in exponential form is:

770 = 21×51×71×111

Prime Factorization of 774


2 774
3 387
3 129
43 43
1

Prime factors of 774 are 2,3,43. Prime factorization of 774 in exponential form is:

774 = 21×32×431

∴ So by taking common prime factors GCF of 770 and 774 is 2

Greatest Common Factor of 770 and 774 by matching factors method

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Factors of 774

List of positive integer factors of 774 that divides 774 without a remainder.

1,2,3,6,9,18,43,86,129,258,387,774

Greatest Common Factor

We found the factors and prime factorization of 770 and 774. The biggest common factor number is the GCF number.
So the greatest common factor 770 and 774 is 2.

Also check out the Least Common Multiple of 770 and 774

Properties of GCF 770 and 774

(i) The GCF of 770 and 774 is associative

GCF of 770 and 774 = GCF of 774 and 770

Related Greatest Common Factor of 770

Related Greatest Common Factor of 774

Frequently Asked Questions on GCF of 770 and 774

1. What is the GCF of 770 and 774?

Answer: GCF of 770 and 774 is 2.

2. What are the Factors of 770?

Answer: Factors of 770 are 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770. There are 16 integers that are factors of 770. The greatest factor of 770 is 770.

3. What are the Factors of 774?

Answer: Factors of 774 are 1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774. There are 12 integers that are factors of 774. The greatest factor of 774 is 774.

4. How to Find the GCF of 770 and 774?

Answer:

Greatest Common Factor of 770 and 774 = 2

Step 1: Find the prime factorization of 770

770 = 2 x 5 x 7 x 11

Step 2: Find the prime factorization of 774

774 = 2 x 3 x 3 x 43

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

GCF = 2

Step 4: Therefore, the greatest common factor of 770 and 774 is 2