Greatest Common Factor of 18, 66, 664

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

• Greatest Common Factor of 18, 66, 664 by common division method
• Greatest Common Factor of 18, 66, 664 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 18

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

1,2,3,6,9,18

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Greatest Common Factor

We found the factors 18,66,664 . The biggest common factor number is the GCF number.
So the greatest common factor 18,66,664 is 2.

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

• GCF of 77, 20, 743
• GCF of 99, 84, 301
• GCF of 86, 87, 325
• GCF of 18, 30, 597
• GCF of 67, 26, 269

1. What is the GCF of 18, 66, 664?

Answer: GCF of 18, 66, 664 is 2.

2. How to Find the GCF of 18, 66, 664

Answer: Greatest Common Factor(GCF) of 18, 66, 664 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 66, 664) = 2.