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 54, 65 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 54 and 65 is 1.
GCF(54,65) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 54
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 54 are 2,3. Prime factorization of 54 in exponential form is:
54 = 21×33
Prime Factorization of 65
5 | 65 |
13 | 13 |
1 |
Prime factors of 65 are 5,13. Prime factorization of 65 in exponential form is:
65 = 51×131
∴ So by taking common prime factors GCF of 54 and 65 is 1
Factors of 54
List of positive integer factors of 54 that divides 54 without a remainder.
1,2,3,6,9,18,27,54
Factors of 65
List of positive integer factors of 65 that divides 65 without a remainder.
1,5,13,65
Greatest Common Factor
We found the factors and prime factorization of 54 and 65. The biggest common factor number is the GCF number.
So the greatest common factor 54 and 65 is 1.
Also check out the Least Common Multiple of 54 and 65
(i) The GCF of 54 and 65 is associative
GCF of 54 and 65 = GCF of 65 and 54
1. What is the GCF of 54 and 65?
Answer: GCF of 54 and 65 is 1.
2. What are the Factors of 54?
Answer: Factors of 54 are 1, 2, 3, 6, 9, 18, 27, 54. There are 8 integers that are factors of 54. The greatest factor of 54 is 54.
3. What are the Factors of 65?
Answer: Factors of 65 are 1, 5, 13, 65. There are 4 integers that are factors of 65. The greatest factor of 65 is 65.
4. How to Find the GCF of 54 and 65?
Answer:
Greatest Common Factor of 54 and 65 = 1
Step 1: Find the prime factorization of 54
54 = 2 x 3 x 3 x 3
Step 2: Find the prime factorization of 65
65 = 5 x 13
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 54 and 65 is 1