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 221, 1989 i.e. 221 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 221, 1989 is 221.
GCF(221, 1989) = 221
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
13 | 221, 1989 |
17 | 17, 153 |
1, 9 |
∴ So the GCF of the given numbers is 13 x 17 = 221
Factors of 221
List of positive integer factors of 221 that divides 221 without a remainder.
1,13,17,221
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 221,1989 . The biggest common factor number is the GCF number.
So the greatest common factor 221,1989 is 221.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 221, 1989?
Answer: GCF of 221, 1989 is 221.
2. How to Find the GCF of 221, 1989
Answer: Greatest Common Factor(GCF) of 221, 1989 = 221
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(221, 1989) = 221.