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 18, 20, 38, 66 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 18, 20, 38, 66 is 2.
GCF(18, 20, 38, 66) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 18, 20, 38, 66 |
9, 10, 19, 33 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 18
List of positive integer factors of 18 that divides 18 without a remainder.
1,2,3,6,9,18
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 38
List of positive integer factors of 38 that divides 38 without a remainder.
1,2,19,38
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Greatest Common Factor
We found the factors 18,20,38,66 . The biggest common factor number is the GCF number.
So the greatest common factor 18,20,38,66 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 18, 20, 38, 66?
Answer: GCF of 18, 20, 38, 66 is 2.
2. How to Find the GCF of 18, 20, 38, 66
Answer: Greatest Common Factor(GCF) of 18, 20, 38, 66 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(18, 20, 38, 66) = 2.