Greatest Common Factor of 80, 420
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 80, 420 i.e. 20 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 80, 420 is 20.
GCF(80, 420) = 20
GCF of 80, 420
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 80, 420 by common division method
- Greatest Common Factor of 80, 420 with matching the biggest common factor
GCF of 80,420 is 20
| 2 | 80, 420 |
| 2 | 40, 210 |
| 5 | 20, 105 |
| 4, 21 |
∴ So the GCF of the given numbers is 2 x 2 x 5 = 20
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 420
List of positive integer factors of 420 that divides 420 without a remainder.
1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Greatest Common Factor
We found the factors 80,420 . The biggest common factor number is the GCF number.
So the greatest common factor 80,420 is 20.
GCF of two or more Numbers Calculation Examples
Here are some samples of GCF of two or more Numbers calculations.
Frequently Asked Questions on GCF of 80, 420
1. What is the GCF of 80, 420?
Answer: GCF of 80, 420 is 20.
2. How to Find the GCF of 80, 420
Answer: Greatest Common Factor(GCF) of 80, 420 = 20
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(80, 420) = 20.