Greatest Common Factor of 205 and 207

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 205, 207 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 205 and 207 is 1.

GCF(205,207) = 1

GCF of 205 and 207

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

GCF of:
and

Greatest Common Factor of 205 and 207

GCF of 205 and 207 is 1

Prime Factorization of 205


5 205
41 41
1

Prime factors of 205 are 5,41. Prime factorization of 205 in exponential form is:

205 = 51×411

Prime Factorization of 207


3 207
3 69
23 23
1

Prime factors of 207 are 3,23. Prime factorization of 207 in exponential form is:

207 = 32×231

∴ So by taking common prime factors GCF of 205 and 207 is 1

Greatest Common Factor of 205 and 207 by matching factors method

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors and prime factorization of 205 and 207. The biggest common factor number is the GCF number.
So the greatest common factor 205 and 207 is 1.

Also check out the Least Common Multiple of 205 and 207

Properties of GCF 205 and 207

(i) The GCF of 205 and 207 is associative

GCF of 205 and 207 = GCF of 207 and 205

Related Greatest Common Factor of 205

Related Greatest Common Factor of 207

Frequently Asked Questions on GCF of 205 and 207

1. What is the GCF of 205 and 207?

Answer: GCF of 205 and 207 is 1.

2. What are the Factors of 205?

Answer: Factors of 205 are 1, 5, 41, 205. There are 4 integers that are factors of 205. The greatest factor of 205 is 205.

3. What are the Factors of 207?

Answer: Factors of 207 are 1, 3, 9, 23, 69, 207. There are 6 integers that are factors of 207. The greatest factor of 207 is 207.

4. How to Find the GCF of 205 and 207?

Answer:

Greatest Common Factor of 205 and 207 = 1

Step 1: Find the prime factorization of 205

205 = 5 x 41

Step 2: Find the prime factorization of 207

207 = 3 x 3 x 23

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 205 and 207 is 1