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 644, 406, 42 i.e. 14 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 644, 406, 42 is 14.
GCF(644, 406, 42) = 14
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 644, 406, 42 |
7 | 322, 203, 21 |
46, 29, 3 |
∴ So the GCF of the given numbers is 2 x 7 = 14
Factors of 644
List of positive integer factors of 644 that divides 644 without a remainder.
1,2,4,7,14,23,28,46,92,161,322,644
Factors of 406
List of positive integer factors of 406 that divides 406 without a remainder.
1,2,7,14,29,58,203,406
Factors of 42
List of positive integer factors of 42 that divides 42 without a remainder.
1,2,3,6,7,14,21,42
Greatest Common Factor
We found the factors 644,406,42 . The biggest common factor number is the GCF number.
So the greatest common factor 644,406,42 is 14.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 644, 406, 42?
Answer: GCF of 644, 406, 42 is 14.
2. How to Find the GCF of 644, 406, 42
Answer: Greatest Common Factor(GCF) of 644, 406, 42 = 14
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(644, 406, 42) = 14.