Greatest Common Factor of 99, 84, 12, 138

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

• Greatest Common Factor of 99, 84, 12, 138 by common division method
• Greatest Common Factor of 99, 84, 12, 138 with matching the biggest common factor

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

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 12

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

1,2,3,4,6,12

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 99,84,12,138 . The biggest common factor number is the GCF number.
So the greatest common factor 99,84,12,138 is 3.

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

• GCF of 14, 50, 33, 636
• GCF of 28, 72, 85, 917
• GCF of 56, 35, 61, 929
• GCF of 17, 75, 70, 529
• GCF of 18, 49, 38, 831

1. What is the GCF of 99, 84, 12, 138?

Answer: GCF of 99, 84, 12, 138 is 3.

2. How to Find the GCF of 99, 84, 12, 138

Answer: Greatest Common Factor(GCF) of 99, 84, 12, 138 = 3

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

Step 2: Then multiply all the prime factors GCF(99, 84, 12, 138) = 3.