Greatest Common Factor of 378, 720, 18

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

• Greatest Common Factor of 378, 720, 18 by common division method
• Greatest Common Factor of 378, 720, 18 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 x 3 = 18

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

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 378,720,18 . The biggest common factor number is the GCF number.
So the greatest common factor 378,720,18 is 18.

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

• GCF of 700, 958, 19
• GCF of 564, 498, 49
• GCF of 188, 794, 66
• GCF of 165, 549, 90
• GCF of 197, 731, 29

1. What is the GCF of 378, 720, 18?

Answer: GCF of 378, 720, 18 is 18.

2. How to Find the GCF of 378, 720, 18

Answer: Greatest Common Factor(GCF) of 378, 720, 18 = 18

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

Step 2: Then multiply all the prime factors GCF(378, 720, 18) = 18.