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 428, 688, 18 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 428, 688, 18 is 2.
GCF(428, 688, 18) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 428, 688, 18 |
214, 344, 9 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 428
List of positive integer factors of 428 that divides 428 without a remainder.
1,2,4,107,214,428
Factors of 688
List of positive integer factors of 688 that divides 688 without a remainder.
1,2,4,8,16,43,86,172,344,688
Factors of 18
List of positive integer factors of 18 that divides 18 without a remainder.
1,2,3,6,9,18
Greatest Common Factor
We found the factors 428,688,18 . The biggest common factor number is the GCF number.
So the greatest common factor 428,688,18 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 428, 688, 18?
Answer: GCF of 428, 688, 18 is 2.
2. How to Find the GCF of 428, 688, 18
Answer: Greatest Common Factor(GCF) of 428, 688, 18 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(428, 688, 18) = 2.