GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 36, 20, 18, 77 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 36, 20, 18, 77 is **1**.

GCF(36, 20, 18, 77) = 1

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

- Greatest Common Factor of 36, 20, 18, 77 by common division method
- Greatest Common Factor of 36, 20, 18, 77 with matching the biggest common factor

∴ GCF of numbers is 1 because of no common factors present between them.

**Factors of 36**

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

**Factors of 20**

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

**Factors of 18**

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

**Factors of 77**

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

**Greatest Common Factor**

We found the factors 36,20,18,77 . The biggest common factor number is the **GCF** number.

So the **greatest common factor 36,20,18,77 ** is **1**.

Here are some samples of GCF of two or more Numbers calculations.

1. What is the GCF of 36, 20, 18, 77?

Answer: GCF of 36, 20, 18, 77 is 1.

2. How to Find the GCF of 36, 20, 18, 77

Answer: Greatest Common Factor(GCF) of 36, 20, 18, 77 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(36, 20, 18, 77) = 1.