Greatest Common Factor of 18, 28, 648

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

• Greatest Common Factor of 18, 28, 648 by common division method
• Greatest Common Factor of 18, 28, 648 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 18,28,648 . The biggest common factor number is the GCF number.
So the greatest common factor 18,28,648 is 2.

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

• GCF of 44, 13, 264
• GCF of 72, 19, 375
• GCF of 51, 53, 501
• GCF of 57, 73, 926
• GCF of 65, 27, 613

1. What is the GCF of 18, 28, 648?

Answer: GCF of 18, 28, 648 is 2.

2. How to Find the GCF of 18, 28, 648

Answer: Greatest Common Factor(GCF) of 18, 28, 648 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 28, 648) = 2.