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 66, 1991 i.e. 11 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 66, 1991 is 11.
GCF(66, 1991) = 11
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
11 | 66, 1991 |
6, 181 |
∴ So the GCF of the given numbers is 11 = 11
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Factors of 1991
List of positive integer factors of 1991 that divides 1991 without a remainder.
1,11,181,1991
Greatest Common Factor
We found the factors 66,1991 . The biggest common factor number is the GCF number.
So the greatest common factor 66,1991 is 11.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 66, 1991?
Answer: GCF of 66, 1991 is 11.
2. How to Find the GCF of 66, 1991
Answer: Greatest Common Factor(GCF) of 66, 1991 = 11
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(66, 1991) = 11.