Greatest Common Factor of 18, 615, 855

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

• Greatest Common Factor of 18, 615, 855 by common division method
• Greatest Common Factor of 18, 615, 855 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 615

List of positive integer factors of 615 that divides 615 without a remainder.

1,3,5,15,41,123,205,615

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Greatest Common Factor

We found the factors 18,615,855 . The biggest common factor number is the GCF number.
So the greatest common factor 18,615,855 is 3.

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

• GCF of 92, 518, 904
• GCF of 21, 120, 191
• GCF of 69, 831, 572
• GCF of 74, 500, 485
• GCF of 74, 456, 466

1. What is the GCF of 18, 615, 855?

Answer: GCF of 18, 615, 855 is 3.

2. How to Find the GCF of 18, 615, 855

Answer: Greatest Common Factor(GCF) of 18, 615, 855 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 615, 855) = 3.