Greatest Common Factor of 2155 and 2158

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 2155, 2158 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2155 and 2158 is 1.

GCF(2155,2158) = 1

GCF of 2155 and 2158

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

GCF of:
and

Greatest Common Factor of 2155 and 2158

GCF of 2155 and 2158 is 1

Prime Factorization of 2155


5 2155
431 431
1

Prime factors of 2155 are 5,431. Prime factorization of 2155 in exponential form is:

2155 = 51×4311

Prime Factorization of 2158


2 2158
13 1079
83 83
1

Prime factors of 2158 are 2,13,83. Prime factorization of 2158 in exponential form is:

2158 = 21×131×831

∴ So by taking common prime factors GCF of 2155 and 2158 is 1

Greatest Common Factor of 2155 and 2158 by matching factors method

Factors of 2155

List of positive integer factors of 2155 that divides 2155 without a remainder.

1,5,431,2155

Factors of 2158

List of positive integer factors of 2158 that divides 2158 without a remainder.

1,2,13,26,83,166,1079,2158

Greatest Common Factor

We found the factors and prime factorization of 2155 and 2158. The biggest common factor number is the GCF number.
So the greatest common factor 2155 and 2158 is 1.

Also check out the Least Common Multiple of 2155 and 2158

Properties of GCF 2155 and 2158

(i) The GCF of 2155 and 2158 is associative

GCF of 2155 and 2158 = GCF of 2158 and 2155

Related Greatest Common Factor of 2155

Related Greatest Common Factor of 2158

Frequently Asked Questions on GCF of 2155 and 2158

1. What is the GCF of 2155 and 2158?

Answer: GCF of 2155 and 2158 is 1.

2. What are the Factors of 2155?

Answer: Factors of 2155 are 1, 5, 431, 2155. There are 4 integers that are factors of 2155. The greatest factor of 2155 is 2155.

3. What are the Factors of 2158?

Answer: Factors of 2158 are 1, 2, 13, 26, 83, 166, 1079, 2158. There are 8 integers that are factors of 2158. The greatest factor of 2158 is 2158.

4. How to Find the GCF of 2155 and 2158?

Answer:

Greatest Common Factor of 2155 and 2158 = 1

Step 1: Find the prime factorization of 2155

2155 = 5 x 431

Step 2: Find the prime factorization of 2158

2158 = 2 x 13 x 83

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 2155 and 2158 is 1