Greatest Common Factor of 189, 708, 18

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

• Greatest Common Factor of 189, 708, 18 by common division method
• Greatest Common Factor of 189, 708, 18 with matching the biggest common factor

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

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Factors of 708

List of positive integer factors of 708 that divides 708 without a remainder.

1,2,3,4,6,12,59,118,177,236,354,708

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 189,708,18 . The biggest common factor number is the GCF number.
So the greatest common factor 189,708,18 is 3.

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

• GCF of 679, 845, 87
• GCF of 220, 189, 81
• GCF of 342, 614, 22
• GCF of 708, 324, 47
• GCF of 115, 576, 22

1. What is the GCF of 189, 708, 18?

Answer: GCF of 189, 708, 18 is 3.

2. How to Find the GCF of 189, 708, 18

Answer: Greatest Common Factor(GCF) of 189, 708, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(189, 708, 18) = 3.