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 783, 786 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 783 and 786 is 3.
GCF(783,786) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 783
3 | 783 |
3 | 261 |
3 | 87 |
29 | 29 |
1 |
Prime factors of 783 are 3,29. Prime factorization of 783 in exponential form is:
783 = 33×291
Prime Factorization of 786
2 | 786 |
3 | 393 |
131 | 131 |
1 |
Prime factors of 786 are 2,3,131. Prime factorization of 786 in exponential form is:
786 = 21×31×1311
∴ So by taking common prime factors GCF of 783 and 786 is 3
Factors of 783
List of positive integer factors of 783 that divides 783 without a remainder.
1,3,9,27,29,87,261,783
Factors of 786
List of positive integer factors of 786 that divides 786 without a remainder.
1,2,3,6,131,262,393,786
Greatest Common Factor
We found the factors and prime factorization of 783 and 786. The biggest common factor number is the GCF number.
So the greatest common factor 783 and 786 is 3.
Also check out the Least Common Multiple of 783 and 786
(i) The GCF of 783 and 786 is associative
GCF of 783 and 786 = GCF of 786 and 783
1. What is the GCF of 783 and 786?
Answer: GCF of 783 and 786 is 3.
2. What are the Factors of 783?
Answer: Factors of 783 are 1, 3, 9, 27, 29, 87, 261, 783. There are 8 integers that are factors of 783. The greatest factor of 783 is 783.
3. What are the Factors of 786?
Answer: Factors of 786 are 1, 2, 3, 6, 131, 262, 393, 786. There are 8 integers that are factors of 786. The greatest factor of 786 is 786.
4. How to Find the GCF of 783 and 786?
Answer:
Greatest Common Factor of 783 and 786 = 3
Step 1: Find the prime factorization of 783
783 = 3 x 3 x 3 x 29
Step 2: Find the prime factorization of 786
786 = 2 x 3 x 131
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 783 and 786 is 3