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 549, 556 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 549 and 556 is 1.
GCF(549,556) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 549
3 | 549 |
3 | 183 |
61 | 61 |
1 |
Prime factors of 549 are 3,61. Prime factorization of 549 in exponential form is:
549 = 32×611
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
∴ So by taking common prime factors GCF of 549 and 556 is 1
Factors of 549
List of positive integer factors of 549 that divides 549 without a remainder.
1,3,9,61,183,549
Factors of 556
List of positive integer factors of 556 that divides 556 without a remainder.
1,2,4,139,278,556
Greatest Common Factor
We found the factors and prime factorization of 549 and 556. The biggest common factor number is the GCF number.
So the greatest common factor 549 and 556 is 1.
Also check out the Least Common Multiple of 549 and 556
(i) The GCF of 549 and 556 is associative
GCF of 549 and 556 = GCF of 556 and 549
1. What is the GCF of 549 and 556?
Answer: GCF of 549 and 556 is 1.
2. What are the Factors of 549?
Answer: Factors of 549 are 1, 3, 9, 61, 183, 549. There are 6 integers that are factors of 549. The greatest factor of 549 is 549.
3. 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.
4. How to Find the GCF of 549 and 556?
Answer:
Greatest Common Factor of 549 and 556 = 1
Step 1: Find the prime factorization of 549
549 = 3 x 3 x 61
Step 2: Find the prime factorization of 556
556 = 2 x 2 x 139
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 549 and 556 is 1