Greatest Common Factor of 65 and 67

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 65, 67 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 65 and 67 is 1.

GCF(65,67) = 1

GCF of 65 and 67

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

GCF of:
and

Greatest Common Factor of 65 and 67

GCF of 65 and 67 is 1

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

Prime Factorization of 67


67 67
1

Prime factors of 67 are 67. Prime factorization of 67 in exponential form is:

67 = 671

∴ So by taking common prime factors GCF of 65 and 67 is 1

Greatest Common Factor of 65 and 67 by matching factors method

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Greatest Common Factor

We found the factors and prime factorization of 65 and 67. The biggest common factor number is the GCF number.
So the greatest common factor 65 and 67 is 1.

Also check out the Least Common Multiple of 65 and 67

Properties of GCF 65 and 67

(i) The GCF of 65 and 67 is associative

GCF of 65 and 67 = GCF of 67 and 65

Frequently Asked Questions on GCF of 65 and 67

1. What is the GCF of 65 and 67?

Answer: GCF of 65 and 67 is 1.

2. 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.

3. What are the Factors of 67?

Answer: Factors of 67 are 1, 67. There are 2 integers that are factors of 67. The greatest factor of 67 is 67.

4. How to Find the GCF of 65 and 67?

Answer:

Greatest Common Factor of 65 and 67 = 1

Step 1: Find the prime factorization of 65

65 = 5 x 13

Step 2: Find the prime factorization of 67

67 = 67

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 65 and 67 is 1