Greatest Common Factor of 84, 42, 813

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

• Greatest Common Factor of 84, 42, 813 by common division method
• Greatest Common Factor of 84, 42, 813 with matching the biggest common factor

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

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 813

List of positive integer factors of 813 that divides 813 without a remainder.

1,3,271,813

Greatest Common Factor

We found the factors 84,42,813 . The biggest common factor number is the GCF number.
So the greatest common factor 84,42,813 is 3.

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

• GCF of 17, 51, 630
• GCF of 69, 50, 791
• GCF of 42, 68, 535
• GCF of 88, 68, 291
• GCF of 93, 28, 380

1. What is the GCF of 84, 42, 813?

Answer: GCF of 84, 42, 813 is 3.

2. How to Find the GCF of 84, 42, 813

Answer: Greatest Common Factor(GCF) of 84, 42, 813 = 3

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

Step 2: Then multiply all the prime factors GCF(84, 42, 813) = 3.