Greatest Common Factor of 12, 820, 813

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

• Greatest Common Factor of 12, 820, 813 by common division method
• Greatest Common Factor of 12, 820, 813 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 12

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

1,2,3,4,6,12

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

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 12,820,813 . The biggest common factor number is the GCF number.
So the greatest common factor 12,820,813 is 1.

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

• GCF of 63, 246, 450
• GCF of 80, 268, 272
• GCF of 54, 961, 277
• GCF of 29, 482, 781
• GCF of 26, 728, 830

1. What is the GCF of 12, 820, 813?

Answer: GCF of 12, 820, 813 is 1.

2. How to Find the GCF of 12, 820, 813

Answer: Greatest Common Factor(GCF) of 12, 820, 813 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 820, 813) = 1.