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 15, 40, 66, 56 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 15, 40, 66, 56 is 1.
GCF(15, 40, 66, 56) = 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 15
List of positive integer factors of 15 that divides 15 without a remainder.
1,3,5,15
Factors of 40
List of positive integer factors of 40 that divides 40 without a remainder.
1,2,4,5,8,10,20,40
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Factors of 56
List of positive integer factors of 56 that divides 56 without a remainder.
1,2,4,7,8,14,28,56
Greatest Common Factor
We found the factors 15,40,66,56 . The biggest common factor number is the GCF number.
So the greatest common factor 15,40,66,56 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 15, 40, 66, 56?
Answer: GCF of 15, 40, 66, 56 is 1.
2. How to Find the GCF of 15, 40, 66, 56
Answer: Greatest Common Factor(GCF) of 15, 40, 66, 56 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(15, 40, 66, 56) = 1.