Greatest Common Factor of 18, 36, 63, 120

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

• Greatest Common Factor of 18, 36, 63, 120 by common division method
• Greatest Common Factor of 18, 36, 63, 120 with matching the biggest common factor

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

Factors of 18

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

1,2,3,6,9,18

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 63

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

1,3,7,9,21,63

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

Greatest Common Factor

We found the factors 18,36,63,120 . The biggest common factor number is the GCF number.
So the greatest common factor 18,36,63,120 is 3.

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

• GCF of 97, 78, 55, 108
• GCF of 50, 44, 36, 466
• GCF of 65, 52, 68, 349
• GCF of 97, 77, 64, 943
• GCF of 83, 87, 80, 827

1. What is the GCF of 18, 36, 63, 120?

Answer: GCF of 18, 36, 63, 120 is 3.

2. How to Find the GCF of 18, 36, 63, 120

Answer: Greatest Common Factor(GCF) of 18, 36, 63, 120 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 36, 63, 120) = 3.