Greatest Common Factor of 210 and 215

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 210, 215 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 210 and 215 is 5.

GCF(210,215) = 5

GCF of 210 and 215

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

GCF of:
and

Greatest Common Factor of 210 and 215

GCF of 210 and 215 is 5

Prime Factorization of 210


2 210
3 105
5 35
7 7
1

Prime factors of 210 are 2,3,5,7. Prime factorization of 210 in exponential form is:

210 = 21×31×51×71

Prime Factorization of 215


5 215
43 43
1

Prime factors of 215 are 5,43. Prime factorization of 215 in exponential form is:

215 = 51×431

∴ So by taking common prime factors GCF of 210 and 215 is 5

Greatest Common Factor of 210 and 215 by matching factors method

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

Greatest Common Factor

We found the factors and prime factorization of 210 and 215. The biggest common factor number is the GCF number.
So the greatest common factor 210 and 215 is 5.

Also check out the Least Common Multiple of 210 and 215

Properties of GCF 210 and 215

(i) The GCF of 210 and 215 is associative

GCF of 210 and 215 = GCF of 215 and 210

Related Greatest Common Factor of 210

Related Greatest Common Factor of 215

Frequently Asked Questions on GCF of 210 and 215

1. What is the GCF of 210 and 215?

Answer: GCF of 210 and 215 is 5.

2. What are the Factors of 210?

Answer: Factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210. There are 16 integers that are factors of 210. The greatest factor of 210 is 210.

3. What are the Factors of 215?

Answer: Factors of 215 are 1, 5, 43, 215. There are 4 integers that are factors of 215. The greatest factor of 215 is 215.

4. How to Find the GCF of 210 and 215?

Answer:

Greatest Common Factor of 210 and 215 = 5

Step 1: Find the prime factorization of 210

210 = 2 x 3 x 5 x 7

Step 2: Find the prime factorization of 215

215 = 5 x 43

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 210 and 215 is 5