Greatest Common Factor of 660, 1989
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 660, 1989 i.e. 3 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 660, 1989 is 3.
GCF(660, 1989) = 3
GCF of 660, 1989
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 660, 1989 by common division method
- Greatest Common Factor of 660, 1989 with matching the biggest common factor
GCF of 660,1989 is 3
| 3 | 660, 1989 |
| 220, 663 |
∴ So the GCF of the given numbers is 3 = 3
Factors of 660
List of positive integer factors of 660 that divides 660 without a remainder.
1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660
Factors of 1989
List of positive integer factors of 1989 that divides 1989 without a remainder.
1,3,9,13,17,39,51,117,153,221,663,1989
Greatest Common Factor
We found the factors 660,1989 . The biggest common factor number is the GCF number.
So the greatest common factor 660,1989 is 3.
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 660, 1989
1. What is the GCF of 660, 1989?
Answer: GCF of 660, 1989 is 3.
2. How to Find the GCF of 660, 1989
Answer: Greatest Common Factor(GCF) of 660, 1989 = 3
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(660, 1989) = 3.