Greatest Common Factor of 690, 813, 9

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

• Greatest Common Factor of 690, 813, 9 by common division method
• Greatest Common Factor of 690, 813, 9 with matching the biggest common factor

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

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 813

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

1,3,271,813

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Greatest Common Factor

We found the factors 690,813,9 . The biggest common factor number is the GCF number.
So the greatest common factor 690,813,9 is 3.

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

• GCF of 170, 830, 5
• GCF of 569, 238, 2
• GCF of 811, 811, 5
• GCF of 285, 415, 2
• GCF of 267, 220, 7

1. What is the GCF of 690, 813, 9?

Answer: GCF of 690, 813, 9 is 3.

2. How to Find the GCF of 690, 813, 9

Answer: Greatest Common Factor(GCF) of 690, 813, 9 = 3

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

Step 2: Then multiply all the prime factors GCF(690, 813, 9) = 3.