Greatest Common Factor of 819, 3990
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 819, 3990 i.e. 21 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 819, 3990 is 21.
GCF(819, 3990) = 21
GCF of 819, 3990
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 819, 3990 by common division method
- Greatest Common Factor of 819, 3990 with matching the biggest common factor
GCF of 819,3990 is 21
| 3 | 819, 3990 |
| 7 | 273, 1330 |
| 39, 190 |
∴ So the GCF of the given numbers is 3 x 7 = 21
Factors of 819
List of positive integer factors of 819 that divides 819 without a remainder.
1,3,7,9,13,21,39,63,91,117,273,819
Factors of 3990
List of positive integer factors of 3990 that divides 3990 without a remainder.
1,2,3,5,6,7,10,14,15,19,21,30,35,38,42,57,70,95,105,114,133,190,210,266,285,399,570,665,798,1330,1995,3990
Greatest Common Factor
We found the factors 819,3990 . The biggest common factor number is the GCF number.
So the greatest common factor 819,3990 is 21.
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 819, 3990
1. What is the GCF of 819, 3990?
Answer: GCF of 819, 3990 is 21.
2. How to Find the GCF of 819, 3990
Answer: Greatest Common Factor(GCF) of 819, 3990 = 21
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(819, 3990) = 21.