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 556, 564 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 556 and 564 is 4.
GCF(556,564) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 556
2 | 556 |
2 | 278 |
139 | 139 |
1 |
Prime factors of 556 are 2,139. Prime factorization of 556 in exponential form is:
556 = 22×1391
Prime Factorization of 564
2 | 564 |
2 | 282 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 564 are 2,3,47. Prime factorization of 564 in exponential form is:
564 = 22×31×471
∴ So by taking common prime factors GCF of 556 and 564 is 4
Factors of 556
List of positive integer factors of 556 that divides 556 without a remainder.
1,2,4,139,278,556
Factors of 564
List of positive integer factors of 564 that divides 564 without a remainder.
1,2,3,4,6,12,47,94,141,188,282,564
Greatest Common Factor
We found the factors and prime factorization of 556 and 564. The biggest common factor number is the GCF number.
So the greatest common factor 556 and 564 is 4.
Also check out the Least Common Multiple of 556 and 564
(i) The GCF of 556 and 564 is associative
GCF of 556 and 564 = GCF of 564 and 556
1. What is the GCF of 556 and 564?
Answer: GCF of 556 and 564 is 4.
2. What are the Factors of 556?
Answer: Factors of 556 are 1, 2, 4, 139, 278, 556. There are 6 integers that are factors of 556. The greatest factor of 556 is 556.
3. What are the Factors of 564?
Answer: Factors of 564 are 1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564. There are 12 integers that are factors of 564. The greatest factor of 564 is 564.
4. How to Find the GCF of 556 and 564?
Answer:
Greatest Common Factor of 556 and 564 = 4
Step 1: Find the prime factorization of 556
556 = 2 x 2 x 139
Step 2: Find the prime factorization of 564
564 = 2 x 2 x 3 x 47
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 556 and 564 is 4