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 16, 21, 120 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 16, 21, 120 is 1.
GCF(16, 21, 120) = 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 16
List of positive integer factors of 16 that divides 16 without a remainder.
1,2,4,8,16
Factors of 21
List of positive integer factors of 21 that divides 21 without a remainder.
1,3,7,21
Factors of 120
List of positive integer factors of 120 that divides 120 without a remainder.
1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120
Greatest Common Factor
We found the factors 16,21,120 . The biggest common factor number is the GCF number.
So the greatest common factor 16,21,120 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 16, 21, 120?
Answer: GCF of 16, 21, 120 is 1.
2. How to Find the GCF of 16, 21, 120
Answer: Greatest Common Factor(GCF) of 16, 21, 120 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(16, 21, 120) = 1.