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, 489 i.e. 3 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 81, 45, 489 is 3.
GCF(81, 45, 489) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
3 | 81, 45, 489 |
27, 15, 163 |
∴ So the GCF of the given numbers is 3 = 3
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 489
List of positive integer factors of 489 that divides 489 without a remainder.
1,3,163,489
Greatest Common Factor
We found the factors 81,45,489 . The biggest common factor number is the GCF number.
So the greatest common factor 81,45,489 is 3.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 81, 45, 489?
Answer: GCF of 81, 45, 489 is 3.
2. How to Find the GCF of 81, 45, 489
Answer: Greatest Common Factor(GCF) of 81, 45, 489 = 3
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(81, 45, 489) = 3.