Greatest Common Factor of 12, 66, 40, 60

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

• Greatest Common Factor of 12, 66, 40, 60 by common division method
• Greatest Common Factor of 12, 66, 40, 60 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 12,66,40,60 . The biggest common factor number is the GCF number.
So the greatest common factor 12,66,40,60 is 2.

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

• GCF of 66, 57, 78, 31
• GCF of 65, 63, 18, 98
• GCF of 26, 75, 61, 30
• GCF of 52, 40, 87, 66
• GCF of 58, 14, 90, 53

1. What is the GCF of 12, 66, 40, 60?

Answer: GCF of 12, 66, 40, 60 is 2.

2. How to Find the GCF of 12, 66, 40, 60

Answer: Greatest Common Factor(GCF) of 12, 66, 40, 60 = 2

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

Step 2: Then multiply all the prime factors GCF(12, 66, 40, 60) = 2.