Greatest Common Factor of 663, 822, 18

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

• Greatest Common Factor of 663, 822, 18 by common division method
• Greatest Common Factor of 663, 822, 18 with matching the biggest common factor

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

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 822

List of positive integer factors of 822 that divides 822 without a remainder.

1,2,3,6,137,274,411,822

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 663,822,18 . The biggest common factor number is the GCF number.
So the greatest common factor 663,822,18 is 3.

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

• GCF of 627, 541, 62
• GCF of 101, 640, 79
• GCF of 653, 881, 34
• GCF of 426, 724, 25
• GCF of 928, 266, 57

1. What is the GCF of 663, 822, 18?

Answer: GCF of 663, 822, 18 is 3.

2. How to Find the GCF of 663, 822, 18

Answer: Greatest Common Factor(GCF) of 663, 822, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(663, 822, 18) = 3.