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 772, 775 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 772 and 775 is 1.
GCF(772,775) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 772
2 | 772 |
2 | 386 |
193 | 193 |
1 |
Prime factors of 772 are 2,193. Prime factorization of 772 in exponential form is:
772 = 22×1931
Prime Factorization of 775
5 | 775 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 775 are 5,31. Prime factorization of 775 in exponential form is:
775 = 52×311
∴ So by taking common prime factors GCF of 772 and 775 is 1
Factors of 772
List of positive integer factors of 772 that divides 772 without a remainder.
1,2,4,193,386,772
Factors of 775
List of positive integer factors of 775 that divides 775 without a remainder.
1,5,25,31,155,775
Greatest Common Factor
We found the factors and prime factorization of 772 and 775. The biggest common factor number is the GCF number.
So the greatest common factor 772 and 775 is 1.
Also check out the Least Common Multiple of 772 and 775
(i) The GCF of 772 and 775 is associative
GCF of 772 and 775 = GCF of 775 and 772
1. What is the GCF of 772 and 775?
Answer: GCF of 772 and 775 is 1.
2. What are the Factors of 772?
Answer: Factors of 772 are 1, 2, 4, 193, 386, 772. There are 6 integers that are factors of 772. The greatest factor of 772 is 772.
3. What are the Factors of 775?
Answer: Factors of 775 are 1, 5, 25, 31, 155, 775. There are 6 integers that are factors of 775. The greatest factor of 775 is 775.
4. How to Find the GCF of 772 and 775?
Answer:
Greatest Common Factor of 772 and 775 = 1
Step 1: Find the prime factorization of 772
772 = 2 x 2 x 193
Step 2: Find the prime factorization of 775
775 = 5 x 5 x 31
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 772 and 775 is 1