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 542, 549 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 542 and 549 is 1.
GCF(542,549) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 542
2 | 542 |
271 | 271 |
1 |
Prime factors of 542 are 2,271. Prime factorization of 542 in exponential form is:
542 = 21×2711
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 542 and 549 is 1
Factors of 542
List of positive integer factors of 542 that divides 542 without a remainder.
1,2,271,542
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 542 and 549. The biggest common factor number is the GCF number.
So the greatest common factor 542 and 549 is 1.
Also check out the Least Common Multiple of 542 and 549
(i) The GCF of 542 and 549 is associative
GCF of 542 and 549 = GCF of 549 and 542
1. What is the GCF of 542 and 549?
Answer: GCF of 542 and 549 is 1.
2. What are the Factors of 542?
Answer: Factors of 542 are 1, 2, 271, 542. There are 4 integers that are factors of 542. The greatest factor of 542 is 542.
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 542 and 549?
Answer:
Greatest Common Factor of 542 and 549 = 1
Step 1: Find the prime factorization of 542
542 = 2 x 271
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 542 and 549 is 1