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 68, 40, 80, 90 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 68, 40, 80, 90 is 2.
GCF(68, 40, 80, 90) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 68, 40, 80, 90 |
34, 20, 40, 45 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 68
List of positive integer factors of 68 that divides 68 without a remainder.
1,2,4,17,34,68
Factors of 40
List of positive integer factors of 40 that divides 40 without a remainder.
1,2,4,5,8,10,20,40
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 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 68,40,80,90 . The biggest common factor number is the GCF number.
So the greatest common factor 68,40,80,90 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 68, 40, 80, 90?
Answer: GCF of 68, 40, 80, 90 is 2.
2. How to Find the GCF of 68, 40, 80, 90
Answer: Greatest Common Factor(GCF) of 68, 40, 80, 90 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(68, 40, 80, 90) = 2.