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 45, 69, 81, 90 i.e. 3 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 45, 69, 81, 90 is 3.
GCF(45, 69, 81, 90) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
3 | 45, 69, 81, 90 |
15, 23, 27, 30 |
∴ So the GCF of the given numbers is 3 = 3
Factors of 45
List of positive integer factors of 45 that divides 45 without a remainder.
1,3,5,9,15,45
Factors of 69
List of positive integer factors of 69 that divides 69 without a remainder.
1,3,23,69
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Factors of 90
List of positive integer factors of 90 that divides 90 without a remainder.
1,2,3,5,6,9,10,15,18,30,45,90
Greatest Common Factor
We found the factors 45,69,81,90 . The biggest common factor number is the GCF number.
So the greatest common factor 45,69,81,90 is 3.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 45, 69, 81, 90?
Answer: GCF of 45, 69, 81, 90 is 3.
2. How to Find the GCF of 45, 69, 81, 90
Answer: Greatest Common Factor(GCF) of 45, 69, 81, 90 = 3
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(45, 69, 81, 90) = 3.