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 764, 770 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 764 and 770 is 2.
GCF(764,770) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 764
2 | 764 |
2 | 382 |
191 | 191 |
1 |
Prime factors of 764 are 2,191. Prime factorization of 764 in exponential form is:
764 = 22×1911
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
∴ So by taking common prime factors GCF of 764 and 770 is 2
Factors of 764
List of positive integer factors of 764 that divides 764 without a remainder.
1,2,4,191,382,764
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
Greatest Common Factor
We found the factors and prime factorization of 764 and 770. The biggest common factor number is the GCF number.
So the greatest common factor 764 and 770 is 2.
Also check out the Least Common Multiple of 764 and 770
(i) The GCF of 764 and 770 is associative
GCF of 764 and 770 = GCF of 770 and 764
1. What is the GCF of 764 and 770?
Answer: GCF of 764 and 770 is 2.
2. What are the Factors of 764?
Answer: Factors of 764 are 1, 2, 4, 191, 382, 764. There are 6 integers that are factors of 764. The greatest factor of 764 is 764.
3. 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.
4. How to Find the GCF of 764 and 770?
Answer:
Greatest Common Factor of 764 and 770 = 2
Step 1: Find the prime factorization of 764
764 = 2 x 2 x 191
Step 2: Find the prime factorization of 770
770 = 2 x 5 x 7 x 11
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 764 and 770 is 2