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 540, 542 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 540 and 542 is 2.
GCF(540,542) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 540
2 | 540 |
2 | 270 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 540 are 2,3,5. Prime factorization of 540 in exponential form is:
540 = 22×33×51
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
∴ So by taking common prime factors GCF of 540 and 542 is 2
Factors of 540
List of positive integer factors of 540 that divides 540 without a remainder.
1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540
Factors of 542
List of positive integer factors of 542 that divides 542 without a remainder.
1,2,271,542
Greatest Common Factor
We found the factors and prime factorization of 540 and 542. The biggest common factor number is the GCF number.
So the greatest common factor 540 and 542 is 2.
Also check out the Least Common Multiple of 540 and 542
(i) The GCF of 540 and 542 is associative
GCF of 540 and 542 = GCF of 542 and 540
1. What is the GCF of 540 and 542?
Answer: GCF of 540 and 542 is 2.
2. What are the Factors of 540?
Answer: Factors of 540 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540. There are 24 integers that are factors of 540. The greatest factor of 540 is 540.
3. 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.
4. How to Find the GCF of 540 and 542?
Answer:
Greatest Common Factor of 540 and 542 = 2
Step 1: Find the prime factorization of 540
540 = 2 x 2 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 542
542 = 2 x 271
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 540 and 542 is 2