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 2556, 2564 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2556 and 2564 is 4.
GCF(2556,2564) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2556
2 | 2556 |
2 | 1278 |
3 | 639 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 2556 are 2,3,71. Prime factorization of 2556 in exponential form is:
2556 = 22×32×711
Prime Factorization of 2564
2 | 2564 |
2 | 1282 |
641 | 641 |
1 |
Prime factors of 2564 are 2,641. Prime factorization of 2564 in exponential form is:
2564 = 22×6411
∴ So by taking common prime factors GCF of 2556 and 2564 is 4
Factors of 2556
List of positive integer factors of 2556 that divides 2556 without a remainder.
1,2,3,4,6,9,12,18,36,71,142,213,284,426,639,852,1278,2556
Factors of 2564
List of positive integer factors of 2564 that divides 2564 without a remainder.
1,2,4,641,1282,2564
Greatest Common Factor
We found the factors and prime factorization of 2556 and 2564. The biggest common factor number is the GCF number.
So the greatest common factor 2556 and 2564 is 4.
Also check out the Least Common Multiple of 2556 and 2564
(i) The GCF of 2556 and 2564 is associative
GCF of 2556 and 2564 = GCF of 2564 and 2556
1. What is the GCF of 2556 and 2564?
Answer: GCF of 2556 and 2564 is 4.
2. What are the Factors of 2556?
Answer: Factors of 2556 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556. There are 18 integers that are factors of 2556. The greatest factor of 2556 is 2556.
3. What are the Factors of 2564?
Answer: Factors of 2564 are 1, 2, 4, 641, 1282, 2564. There are 6 integers that are factors of 2564. The greatest factor of 2564 is 2564.
4. How to Find the GCF of 2556 and 2564?
Answer:
Greatest Common Factor of 2556 and 2564 = 4
Step 1: Find the prime factorization of 2556
2556 = 2 x 2 x 3 x 3 x 71
Step 2: Find the prime factorization of 2564
2564 = 2 x 2 x 641
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 2556 and 2564 is 4