Greatest Common Factor of 405, 816, 12

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

• Greatest Common Factor of 405, 816, 12 by common division method
• Greatest Common Factor of 405, 816, 12 with matching the biggest common factor

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

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 405,816,12 . The biggest common factor number is the GCF number.
So the greatest common factor 405,816,12 is 3.

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

• GCF of 827, 545, 13
• GCF of 755, 598, 82
• GCF of 591, 459, 53
• GCF of 781, 274, 12
• GCF of 515, 419, 76

1. What is the GCF of 405, 816, 12?

Answer: GCF of 405, 816, 12 is 3.

2. How to Find the GCF of 405, 816, 12

Answer: Greatest Common Factor(GCF) of 405, 816, 12 = 3

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

Step 2: Then multiply all the prime factors GCF(405, 816, 12) = 3.