# Greatest Common Factor of 28, 63, 70, 72

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 28, 63, 70, 72 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 28, 63, 70, 72 is 1.

GCF(28, 63, 70, 72) = 1

## GCF of 28, 63, 70, 72

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

GCF of:

### Greatest Common Factor (GCF) of 28,63,70,72 By Common Division

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

### Greatest Common Factor (GCF) By Matching Biggest Common Factor Method

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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

Greatest Common Factor

We found the factors 28,63,70,72 . The biggest common factor number is the GCF number.
So the greatest common factor 28,63,70,72 is 1.

### GCF of two or more Numbers Calculation Examples

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

### Frequently Asked Questions on GCF of 28, 63, 70, 72

1. What is the GCF of 28, 63, 70, 72?

Answer: GCF of 28, 63, 70, 72 is 1.

2. How to Find the GCF of 28, 63, 70, 72

Answer: Greatest Common Factor(GCF) of 28, 63, 70, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 63, 70, 72) = 1.