Greatest Common Factor of 20, 68, 20, 646
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, 68, 20, 646 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 20, 68, 20, 646 is 2.
GCF(20, 68, 20, 646) = 2
GCF of 20, 68, 20, 646
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 20, 68, 20, 646 by common division method
- Greatest Common Factor of 20, 68, 20, 646 with matching the biggest common factor
GCF of 20,68,20,646 is 2
| 2 | 20, 68, 20, 646 |
| 10, 34, 10, 323 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 68
List of positive integer factors of 68 that divides 68 without a remainder.
1,2,4,17,34,68
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 646
List of positive integer factors of 646 that divides 646 without a remainder.
1,2,17,19,34,38,323,646
Greatest Common Factor
We found the factors 20,68,20,646 . The biggest common factor number is the GCF number.
So the greatest common factor 20,68,20,646 is 2.
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, 68, 20, 646
1. What is the GCF of 20, 68, 20, 646?
Answer: GCF of 20, 68, 20, 646 is 2.
2. How to Find the GCF of 20, 68, 20, 646
Answer: Greatest Common Factor(GCF) of 20, 68, 20, 646 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(20, 68, 20, 646) = 2.