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 774, 782 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 774 and 782 is 2.
GCF(774,782) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 782
2 | 782 |
17 | 391 |
23 | 23 |
1 |
Prime factors of 782 are 2,17,23. Prime factorization of 782 in exponential form is:
782 = 21×171×231
∴ So by taking common prime factors GCF of 774 and 782 is 2
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
Factors of 782
List of positive integer factors of 782 that divides 782 without a remainder.
1,2,17,23,34,46,391,782
Greatest Common Factor
We found the factors and prime factorization of 774 and 782. The biggest common factor number is the GCF number.
So the greatest common factor 774 and 782 is 2.
Also check out the Least Common Multiple of 774 and 782
(i) The GCF of 774 and 782 is associative
GCF of 774 and 782 = GCF of 782 and 774
1. What is the GCF of 774 and 782?
Answer: GCF of 774 and 782 is 2.
2. 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.
3. What are the Factors of 782?
Answer: Factors of 782 are 1, 2, 17, 23, 34, 46, 391, 782. There are 8 integers that are factors of 782. The greatest factor of 782 is 782.
4. How to Find the GCF of 774 and 782?
Answer:
Greatest Common Factor of 774 and 782 = 2
Step 1: Find the prime factorization of 774
774 = 2 x 3 x 3 x 43
Step 2: Find the prime factorization of 782
782 = 2 x 17 x 23
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 774 and 782 is 2