Greatest Common Factor of 28, 9, 72, 33

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

• Greatest Common Factor of 28, 9, 72, 33 by common division method
• Greatest Common Factor of 28, 9, 72, 33 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 28

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

1,2,4,7,14,28

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Greatest Common Factor

We found the factors 28,9,72,33 . The biggest common factor number is the GCF number.
So the greatest common factor 28,9,72,33 is 1.

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

• GCF of 33, 5, 46, 38
• GCF of 42, 7, 74, 97
• GCF of 40, 7, 45, 73
• GCF of 96, 2, 82, 70
• GCF of 85, 8, 59, 47

1. What is the GCF of 28, 9, 72, 33?

Answer: GCF of 28, 9, 72, 33 is 1.

2. How to Find the GCF of 28, 9, 72, 33

Answer: Greatest Common Factor(GCF) of 28, 9, 72, 33 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 9, 72, 33) = 1.