Greatest Common Factor of 243, 945

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 243, 945 i.e. 27 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 243, 945 is 27.

GCF(243, 945) = 27

GCF of 243, 945

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

GCF of:

Greatest Common Factor of 243,945

GCF of 243,945 is 27

3 243, 945
3 81, 315
3 27, 105
9, 35

∴ So the GCF of the given numbers is 3 x 3 x 3 = 27

Greatest Common Factor (GCF) By Matching Biggest Common Factor Method

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 243,945 . The biggest common factor number is the GCF number.
So the greatest common factor 243,945 is 27.

GCF of two or more Numbers Calculation Examples

Here are some samples of GCF of two or more Numbers calculations.

Frequently Asked Questions on GCF of 243, 945

1. What is the GCF of 243, 945?

Answer: GCF of 243, 945 is 27.

2. How to Find the GCF of 243, 945

Answer: Greatest Common Factor(GCF) of 243, 945 = 27

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(243, 945) = 27.