Greatest Common Factor of 813, 858, 63

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

• Greatest Common Factor of 813, 858, 63 by common division method
• Greatest Common Factor of 813, 858, 63 with matching the biggest common factor

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

Factors of 813

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

1,3,271,813

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Greatest Common Factor

We found the factors 813,858,63 . The biggest common factor number is the GCF number.
So the greatest common factor 813,858,63 is 3.

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

• GCF of 800, 535, 84
• GCF of 102, 847, 58
• GCF of 685, 462, 19
• GCF of 822, 886, 44
• GCF of 689, 103, 81

1. What is the GCF of 813, 858, 63?

Answer: GCF of 813, 858, 63 is 3.

2. How to Find the GCF of 813, 858, 63

Answer: Greatest Common Factor(GCF) of 813, 858, 63 = 3

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

Step 2: Then multiply all the prime factors GCF(813, 858, 63) = 3.