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 8, 80, 66, 81 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 8, 80, 66, 81 is 1.
GCF(8, 80, 66, 81) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
∴ GCF of numbers is 1 because of no common factors present between them.
Factors of 8
List of positive integer factors of 8 that divides 8 without a remainder.
1,2,4,8
Factors of 80
List of positive integer factors of 80 that divides 80 without a remainder.
1,2,4,5,8,10,16,20,40,80
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Greatest Common Factor
We found the factors 8,80,66,81 . The biggest common factor number is the GCF number.
So the greatest common factor 8,80,66,81 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 8, 80, 66, 81?
Answer: GCF of 8, 80, 66, 81 is 1.
2. How to Find the GCF of 8, 80, 66, 81
Answer: Greatest Common Factor(GCF) of 8, 80, 66, 81 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(8, 80, 66, 81) = 1.