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, 189, 646 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 42, 189, 646 is 1.
GCF(42, 189, 646) = 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 189
List of positive integer factors of 189 that divides 189 without a remainder.
1,3,7,9,21,27,63,189
Factors of 646
List of positive integer factors of 646 that divides 646 without a remainder.
1,2,17,19,34,38,323,646
Greatest Common Factor
We found the factors 42,189,646 . The biggest common factor number is the GCF number.
So the greatest common factor 42,189,646 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 42, 189, 646?
Answer: GCF of 42, 189, 646 is 1.
2. How to Find the GCF of 42, 189, 646
Answer: Greatest Common Factor(GCF) of 42, 189, 646 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(42, 189, 646) = 1.