Greatest Common Factor of 1215 and 1223

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 1215, 1223 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1215 and 1223 is 1.

GCF(1215,1223) = 1

GCF of 1215 and 1223

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

GCF of:
and

Greatest Common Factor of 1215 and 1223

GCF of 1215 and 1223 is 1

Prime Factorization of 1215


3 1215
3 405
3 135
3 45
3 15
5 5
1

Prime factors of 1215 are 3,5. Prime factorization of 1215 in exponential form is:

1215 = 35×51

Prime Factorization of 1223


1223 1223
1

Prime factors of 1223 are 1223. Prime factorization of 1223 in exponential form is:

1223 = 12231

∴ So by taking common prime factors GCF of 1215 and 1223 is 1

Greatest Common Factor of 1215 and 1223 by matching factors method

Factors of 1215

List of positive integer factors of 1215 that divides 1215 without a remainder.

1,3,5,9,15,27,45,81,135,243,405,1215

Factors of 1223

List of positive integer factors of 1223 that divides 1223 without a remainder.

1,1223

Greatest Common Factor

We found the factors and prime factorization of 1215 and 1223. The biggest common factor number is the GCF number.
So the greatest common factor 1215 and 1223 is 1.

Also check out the Least Common Multiple of 1215 and 1223

Properties of GCF 1215 and 1223

(i) The GCF of 1215 and 1223 is associative

GCF of 1215 and 1223 = GCF of 1223 and 1215

Frequently Asked Questions on GCF of 1215 and 1223

1. What is the GCF of 1215 and 1223?

Answer: GCF of 1215 and 1223 is 1.

2. What are the Factors of 1215?

Answer: Factors of 1215 are 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215. There are 12 integers that are factors of 1215. The greatest factor of 1215 is 1215.

3. What are the Factors of 1223?

Answer: Factors of 1223 are 1, 1223. There are 2 integers that are factors of 1223. The greatest factor of 1223 is 1223.

4. How to Find the GCF of 1215 and 1223?

Answer:

Greatest Common Factor of 1215 and 1223 = 1

Step 1: Find the prime factorization of 1215

1215 = 3 x 3 x 3 x 3 x 3 x 5

Step 2: Find the prime factorization of 1223

1223 = 1223

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 1215 and 1223 is 1