Greatest Common Factor of 129 and 133

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 129, 133 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 129 and 133 is 1.

GCF(129,133) = 1

GCF of 129 and 133

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

GCF of:
and

Greatest Common Factor of 129 and 133

GCF of 129 and 133 is 1

Prime Factorization of 129


3 129
43 43
1

Prime factors of 129 are 3,43. Prime factorization of 129 in exponential form is:

129 = 31×431

Prime Factorization of 133


7 133
19 19
1

Prime factors of 133 are 7,19. Prime factorization of 133 in exponential form is:

133 = 71×191

∴ So by taking common prime factors GCF of 129 and 133 is 1

Greatest Common Factor of 129 and 133 by matching factors method

Factors of 129

List of positive integer factors of 129 that divides 129 without a remainder.

1,3,43,129

Factors of 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Greatest Common Factor

We found the factors and prime factorization of 129 and 133. The biggest common factor number is the GCF number.
So the greatest common factor 129 and 133 is 1.

Also check out the Least Common Multiple of 129 and 133

Properties of GCF 129 and 133

(i) The GCF of 129 and 133 is associative

GCF of 129 and 133 = GCF of 133 and 129

Related Greatest Common Factor of 129

Related Greatest Common Factor of 133

Frequently Asked Questions on GCF of 129 and 133

1. What is the GCF of 129 and 133?

Answer: GCF of 129 and 133 is 1.

2. What are the Factors of 129?

Answer: Factors of 129 are 1, 3, 43, 129. There are 4 integers that are factors of 129. The greatest factor of 129 is 129.

3. What are the Factors of 133?

Answer: Factors of 133 are 1, 7, 19, 133. There are 4 integers that are factors of 133. The greatest factor of 133 is 133.

4. How to Find the GCF of 129 and 133?

Answer:

Greatest Common Factor of 129 and 133 = 1

Step 1: Find the prime factorization of 129

129 = 3 x 43

Step 2: Find the prime factorization of 133

133 = 7 x 19

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 129 and 133 is 1