Greatest Common Factor of 20, 640
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 20, 640 i.e. 20 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 20, 640 is 20.
GCF(20, 640) = 20
GCF of 20, 640
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 20, 640 by common division method
- Greatest Common Factor of 20, 640 with matching the biggest common factor
GCF of 20,640 is 20
| 2 | 20, 640 |
| 2 | 10, 320 |
| 5 | 5, 160 |
| 1, 32 |
∴ So the GCF of the given numbers is 2 x 2 x 5 = 20
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 640
List of positive integer factors of 640 that divides 640 without a remainder.
1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640
Greatest Common Factor
We found the factors 20,640 . The biggest common factor number is the GCF number.
So the greatest common factor 20,640 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 20, 640
1. What is the GCF of 20, 640?
Answer: GCF of 20, 640 is 20.
2. How to Find the GCF of 20, 640
Answer: Greatest Common Factor(GCF) of 20, 640 = 20
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(20, 640) = 20.
