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 545, 549 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 545 and 549 is 1.
GCF(545,549) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 545
5 | 545 |
109 | 109 |
1 |
Prime factors of 545 are 5,109. Prime factorization of 545 in exponential form is:
545 = 51×1091
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
∴ So by taking common prime factors GCF of 545 and 549 is 1
Factors of 545
List of positive integer factors of 545 that divides 545 without a remainder.
1,5,109,545
Factors of 549
List of positive integer factors of 549 that divides 549 without a remainder.
1,3,9,61,183,549
Greatest Common Factor
We found the factors and prime factorization of 545 and 549. The biggest common factor number is the GCF number.
So the greatest common factor 545 and 549 is 1.
Also check out the Least Common Multiple of 545 and 549
(i) The GCF of 545 and 549 is associative
GCF of 545 and 549 = GCF of 549 and 545
1. What is the GCF of 545 and 549?
Answer: GCF of 545 and 549 is 1.
2. What are the Factors of 545?
Answer: Factors of 545 are 1, 5, 109, 545. There are 4 integers that are factors of 545. The greatest factor of 545 is 545.
3. 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.
4. How to Find the GCF of 545 and 549?
Answer:
Greatest Common Factor of 545 and 549 = 1
Step 1: Find the prime factorization of 545
545 = 5 x 109
Step 2: Find the prime factorization of 549
549 = 3 x 3 x 61
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 545 and 549 is 1