Greatest Common Factor of 66 and 73

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 66, 73 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 66 and 73 is 1.

GCF(66,73) = 1

GCF of 66 and 73

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 66 and 73

GCF of 66 and 73 is 1

Prime Factorization of 66


2 66
3 33
11 11
1

Prime factors of 66 are 2,3,11. Prime factorization of 66 in exponential form is:

66 = 21×31×111

Prime Factorization of 73


73 73
1

Prime factors of 73 are 73. Prime factorization of 73 in exponential form is:

73 = 731

∴ So by taking common prime factors GCF of 66 and 73 is 1

Greatest Common Factor of 66 and 73 by matching factors method

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Greatest Common Factor

We found the factors and prime factorization of 66 and 73. The biggest common factor number is the GCF number.
So the greatest common factor 66 and 73 is 1.

Also check out the Least Common Multiple of 66 and 73

Properties of GCF 66 and 73

(i) The GCF of 66 and 73 is associative

GCF of 66 and 73 = GCF of 73 and 66

Related Greatest Common Factor of 66

Related Greatest Common Factor of 73

Frequently Asked Questions on GCF of 66 and 73

1. What is the GCF of 66 and 73?

Answer: GCF of 66 and 73 is 1.

2. What are the Factors of 66?

Answer: Factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66. There are 8 integers that are factors of 66. The greatest factor of 66 is 66.

3. What are the Factors of 73?

Answer: Factors of 73 are 1, 73. There are 2 integers that are factors of 73. The greatest factor of 73 is 73.

4. How to Find the GCF of 66 and 73?

Answer:

Greatest Common Factor of 66 and 73 = 1

Step 1: Find the prime factorization of 66

66 = 2 x 3 x 11

Step 2: Find the prime factorization of 73

73 = 73

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 66 and 73 is 1