Greatest Common Factor of 18, 20, 130

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

• Greatest Common Factor of 18, 20, 130 by common division method
• Greatest Common Factor of 18, 20, 130 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 18,20,130 . The biggest common factor number is the GCF number.
So the greatest common factor 18,20,130 is 2.

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

• GCF of 73, 53, 522
• GCF of 97, 19, 688
• GCF of 77, 34, 207
• GCF of 45, 69, 639
• GCF of 27, 15, 392

1. What is the GCF of 18, 20, 130?

Answer: GCF of 18, 20, 130 is 2.

2. How to Find the GCF of 18, 20, 130

Answer: Greatest Common Factor(GCF) of 18, 20, 130 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 20, 130) = 2.