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 42, 66, 49, 189 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 42, 66, 49, 189 is 1.
GCF(42, 66, 49, 189) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
∴ GCF of numbers is 1 because of no common factors present between them.
Factors of 42
List of positive integer factors of 42 that divides 42 without a remainder.
1,2,3,6,7,14,21,42
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 49
List of positive integer factors of 49 that divides 49 without a remainder.
1,7,49
Factors of 189
List of positive integer factors of 189 that divides 189 without a remainder.
1,3,7,9,21,27,63,189
Greatest Common Factor
We found the factors 42,66,49,189 . The biggest common factor number is the GCF number.
So the greatest common factor 42,66,49,189 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 42, 66, 49, 189?
Answer: GCF of 42, 66, 49, 189 is 1.
2. How to Find the GCF of 42, 66, 49, 189
Answer: Greatest Common Factor(GCF) of 42, 66, 49, 189 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(42, 66, 49, 189) = 1.