Greatest Common Factor of 615, 438, 18

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

• Greatest Common Factor of 615, 438, 18 by common division method
• Greatest Common Factor of 615, 438, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

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 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

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 615,438,18 . The biggest common factor number is the GCF number.
So the greatest common factor 615,438,18 is 3.

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

• GCF of 246, 225, 62
• GCF of 120, 167, 38
• GCF of 631, 978, 72
• GCF of 350, 768, 18
• GCF of 197, 903, 70

1. What is the GCF of 615, 438, 18?

Answer: GCF of 615, 438, 18 is 3.

2. How to Find the GCF of 615, 438, 18

Answer: Greatest Common Factor(GCF) of 615, 438, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(615, 438, 18) = 3.