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 20, 72, 78, 2 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 20, 72, 78, 2 is 2.
GCF(20, 72, 78, 2) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 20, 72, 78, 2 |
10, 36, 39, 1 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 72
List of positive integer factors of 72 that divides 72 without a remainder.
1,2,3,4,6,8,9,12,18,24,36,72
Factors of 78
List of positive integer factors of 78 that divides 78 without a remainder.
1,2,3,6,13,26,39,78
Factors of 2
List of positive integer factors of 2 that divides 2 without a remainder.
1,2
Greatest Common Factor
We found the factors 20,72,78,2 . The biggest common factor number is the GCF number.
So the greatest common factor 20,72,78,2 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 20, 72, 78, 2?
Answer: GCF of 20, 72, 78, 2 is 2.
2. How to Find the GCF of 20, 72, 78, 2
Answer: Greatest Common Factor(GCF) of 20, 72, 78, 2 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(20, 72, 78, 2) = 2.