Greatest Common Factor of 1620, 1638
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 1620, 1638 i.e. 18 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 1620, 1638 is 18.
GCF(1620, 1638) = 18
GCF of 1620, 1638
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 1620, 1638 by common division method
- Greatest Common Factor of 1620, 1638 with matching the biggest common factor
GCF of 1620,1638 is 18
| 2 | 1620, 1638 |
| 3 | 810, 819 |
| 3 | 270, 273 |
| 90, 91 |
∴ So the GCF of the given numbers is 2 x 3 x 3 = 18
Factors of 1620
List of positive integer factors of 1620 that divides 1620 without a remainder.
1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,81,90,108,135,162,180,270,324,405,540,810,1620
Factors of 1638
List of positive integer factors of 1638 that divides 1638 without a remainder.
1,2,3,6,7,9,13,14,18,21,26,39,42,63,78,91,117,126,182,234,273,546,819,1638
Greatest Common Factor
We found the factors 1620,1638 . The biggest common factor number is the GCF number.
So the greatest common factor 1620,1638 is 18.
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 1620, 1638
1. What is the GCF of 1620, 1638?
Answer: GCF of 1620, 1638 is 18.
2. How to Find the GCF of 1620, 1638
Answer: Greatest Common Factor(GCF) of 1620, 1638 = 18
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(1620, 1638) = 18.