Greatest Common Factor of 18, 87, 915

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

• Greatest Common Factor of 18, 87, 915 by common division method
• Greatest Common Factor of 18, 87, 915 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 915

List of positive integer factors of 915 that divides 915 without a remainder.

1,3,5,15,61,183,305,915

Greatest Common Factor

We found the factors 18,87,915 . The biggest common factor number is the GCF number.
So the greatest common factor 18,87,915 is 3.

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

• GCF of 53, 32, 393
• GCF of 98, 97, 924
• GCF of 81, 78, 133
• GCF of 36, 74, 949
• GCF of 38, 58, 744

1. What is the GCF of 18, 87, 915?

Answer: GCF of 18, 87, 915 is 3.

2. How to Find the GCF of 18, 87, 915

Answer: Greatest Common Factor(GCF) of 18, 87, 915 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 87, 915) = 3.