Greatest Common Factor of 72, 20, 28, 223

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

• Greatest Common Factor of 72, 20, 28, 223 by common division method
• Greatest Common Factor of 72, 20, 28, 223 with matching the biggest common factor

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

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 20

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

1,2,4,5,10,20

Factors of 28

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

1,2,4,7,14,28

Factors of 223

List of positive integer factors of 223 that divides 223 without a remainder.

1,223

Greatest Common Factor

We found the factors 72,20,28,223 . The biggest common factor number is the GCF number.
So the greatest common factor 72,20,28,223 is 1.

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

• GCF of 99, 72, 22, 456
• GCF of 75, 82, 91, 438
• GCF of 50, 25, 56, 483
• GCF of 63, 64, 59, 116
• GCF of 54, 25, 30, 580

1. What is the GCF of 72, 20, 28, 223?

Answer: GCF of 72, 20, 28, 223 is 1.

2. How to Find the GCF of 72, 20, 28, 223

Answer: Greatest Common Factor(GCF) of 72, 20, 28, 223 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 20, 28, 223) = 1.