Greatest Common Factor of 800, 400
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 800, 400 i.e. 400 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 800, 400 is 400.
GCF(800, 400) = 400
GCF of 800, 400
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 800, 400 by common division method
- Greatest Common Factor of 800, 400 with matching the biggest common factor
GCF of 800,400 is 400
| 2 | 800, 400 |
| 2 | 400, 200 |
| 2 | 100, 200 |
| 2 | 50, 100 |
| 5 | 25, 50 |
| 5 | 5, 10 |
| 1, 2 |
∴ So the GCF of the given numbers is 2 x 2 x 2 x 2 x 5 x 5 = 400
Factors of 800
List of positive integer factors of 800 that divides 800 without a remainder.
1,2,4,5,8,10,16,20,25,32,40,50,80,100,160,200,400,800
Factors of 400
List of positive integer factors of 400 that divides 400 without a remainder.
1,2,4,5,8,10,16,20,25,40,50,80,100,200,400
Greatest Common Factor
We found the factors 800,400 . The biggest common factor number is the GCF number.
So the greatest common factor 800,400 is 400.
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 800, 400
1. What is the GCF of 800, 400?
Answer: GCF of 800, 400 is 400.
2. How to Find the GCF of 800, 400
Answer: Greatest Common Factor(GCF) of 800, 400 = 400
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(800, 400) = 400.