Greatest Common Factor of 72, 66, 15, 33

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

• Greatest Common Factor of 72, 66, 15, 33 by common division method
• Greatest Common Factor of 72, 66, 15, 33 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 72,66,15,33 . The biggest common factor number is the GCF number.
So the greatest common factor 72,66,15,33 is 3.

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

• GCF of 89, 80, 97, 75
• GCF of 80, 76, 17, 88
• GCF of 38, 99, 16, 65
• GCF of 90, 56, 50, 32
• GCF of 38, 14, 21, 70

1. What is the GCF of 72, 66, 15, 33?

Answer: GCF of 72, 66, 15, 33 is 3.

2. How to Find the GCF of 72, 66, 15, 33

Answer: Greatest Common Factor(GCF) of 72, 66, 15, 33 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 66, 15, 33) = 3.