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 778, 783 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 778 and 783 is 1.
GCF(778,783) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 778
2 | 778 |
389 | 389 |
1 |
Prime factors of 778 are 2,389. Prime factorization of 778 in exponential form is:
778 = 21×3891
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
∴ So by taking common prime factors GCF of 778 and 783 is 1
Factors of 778
List of positive integer factors of 778 that divides 778 without a remainder.
1,2,389,778
Factors of 783
List of positive integer factors of 783 that divides 783 without a remainder.
1,3,9,27,29,87,261,783
Greatest Common Factor
We found the factors and prime factorization of 778 and 783. The biggest common factor number is the GCF number.
So the greatest common factor 778 and 783 is 1.
Also check out the Least Common Multiple of 778 and 783
(i) The GCF of 778 and 783 is associative
GCF of 778 and 783 = GCF of 783 and 778
1. What is the GCF of 778 and 783?
Answer: GCF of 778 and 783 is 1.
2. What are the Factors of 778?
Answer: Factors of 778 are 1, 2, 389, 778. There are 4 integers that are factors of 778. The greatest factor of 778 is 778.
3. 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.
4. How to Find the GCF of 778 and 783?
Answer:
Greatest Common Factor of 778 and 783 = 1
Step 1: Find the prime factorization of 778
778 = 2 x 389
Step 2: Find the prime factorization of 783
783 = 3 x 3 x 3 x 29
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 778 and 783 is 1