Greatest Common Factor of 225, 618, 21

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

• Greatest Common Factor of 225, 618, 21 by common division method
• Greatest Common Factor of 225, 618, 21 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 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

Factors of 618

List of positive integer factors of 618 that divides 618 without a remainder.

1,2,3,6,103,206,309,618

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 225,618,21 . The biggest common factor number is the GCF number.
So the greatest common factor 225,618,21 is 3.

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

• GCF of 257, 424, 18
• GCF of 108, 895, 32
• GCF of 210, 659, 66
• GCF of 503, 684, 87
• GCF of 555, 903, 41

1. What is the GCF of 225, 618, 21?

Answer: GCF of 225, 618, 21 is 3.

2. How to Find the GCF of 225, 618, 21

Answer: Greatest Common Factor(GCF) of 225, 618, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(225, 618, 21) = 3.