Greatest Common Factor of 81, 45, 891
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 81, 45, 891 i.e. 9 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 81, 45, 891 is 9.
GCF(81, 45, 891) = 9
GCF of 81, 45, 891
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 81, 45, 891 by common division method
- Greatest Common Factor of 81, 45, 891 with matching the biggest common factor
GCF of 81,45,891 is 9
| 3 | 81, 45, 891 |
| 3 | 27, 15, 297 |
| 9, 5, 99 |
∴ So the GCF of the given numbers is 3 x 3 = 9
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Factors of 45
List of positive integer factors of 45 that divides 45 without a remainder.
1,3,5,9,15,45
Factors of 891
List of positive integer factors of 891 that divides 891 without a remainder.
1,3,9,11,27,33,81,99,297,891
Greatest Common Factor
We found the factors 81,45,891 . The biggest common factor number is the GCF number.
So the greatest common factor 81,45,891 is 9.
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 81, 45, 891
1. What is the GCF of 81, 45, 891?
Answer: GCF of 81, 45, 891 is 9.
2. How to Find the GCF of 81, 45, 891
Answer: Greatest Common Factor(GCF) of 81, 45, 891 = 9
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(81, 45, 891) = 9.