Greatest Common Factor of 143 and 149

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 143, 149 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 143 and 149 is 1.

GCF(143,149) = 1

GCF of 143 and 149

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

GCF of:
and

Greatest Common Factor of 143 and 149

GCF of 143 and 149 is 1

Prime Factorization of 143


11 143
13 13
1

Prime factors of 143 are 11,13. Prime factorization of 143 in exponential form is:

143 = 111×131

Prime Factorization of 149


149 149
1

Prime factors of 149 are 149. Prime factorization of 149 in exponential form is:

149 = 1491

∴ So by taking common prime factors GCF of 143 and 149 is 1

Greatest Common Factor of 143 and 149 by matching factors method

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Factors of 149

List of positive integer factors of 149 that divides 149 without a remainder.

1,149

Greatest Common Factor

We found the factors and prime factorization of 143 and 149. The biggest common factor number is the GCF number.
So the greatest common factor 143 and 149 is 1.

Also check out the Least Common Multiple of 143 and 149

Properties of GCF 143 and 149

(i) The GCF of 143 and 149 is associative

GCF of 143 and 149 = GCF of 149 and 143

Related Greatest Common Factor of 143

Related Greatest Common Factor of 149

Frequently Asked Questions on GCF of 143 and 149

1. What is the GCF of 143 and 149?

Answer: GCF of 143 and 149 is 1.

2. What are the Factors of 143?

Answer: Factors of 143 are 1, 11, 13, 143. There are 4 integers that are factors of 143. The greatest factor of 143 is 143.

3. What are the Factors of 149?

Answer: Factors of 149 are 1, 149. There are 2 integers that are factors of 149. The greatest factor of 149 is 149.

4. How to Find the GCF of 143 and 149?

Answer:

Greatest Common Factor of 143 and 149 = 1

Step 1: Find the prime factorization of 143

143 = 11 x 13

Step 2: Find the prime factorization of 149

149 = 149

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 143 and 149 is 1