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, 562 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 556 and 562 is 2.
GCF(556,562) = 2
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 562
2 | 562 |
281 | 281 |
1 |
Prime factors of 562 are 2,281. Prime factorization of 562 in exponential form is:
562 = 21×2811
∴ So by taking common prime factors GCF of 556 and 562 is 2
Factors of 556
List of positive integer factors of 556 that divides 556 without a remainder.
1,2,4,139,278,556
Factors of 562
List of positive integer factors of 562 that divides 562 without a remainder.
1,2,281,562
Greatest Common Factor
We found the factors and prime factorization of 556 and 562. The biggest common factor number is the GCF number.
So the greatest common factor 556 and 562 is 2.
Also check out the Least Common Multiple of 556 and 562
(i) The GCF of 556 and 562 is associative
GCF of 556 and 562 = GCF of 562 and 556
1. What is the GCF of 556 and 562?
Answer: GCF of 556 and 562 is 2.
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 562?
Answer: Factors of 562 are 1, 2, 281, 562. There are 4 integers that are factors of 562. The greatest factor of 562 is 562.
4. How to Find the GCF of 556 and 562?
Answer:
Greatest Common Factor of 556 and 562 = 2
Step 1: Find the prime factorization of 556
556 = 2 x 2 x 139
Step 2: Find the prime factorization of 562
562 = 2 x 281
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 556 and 562 is 2