Greatest Common Factor of 63, 21, 618

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

• Greatest Common Factor of 63, 21, 618 by common division method
• Greatest Common Factor of 63, 21, 618 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 21

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

1,3,7,21

Factors of 618

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

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

Greatest Common Factor

We found the factors 63,21,618 . The biggest common factor number is the GCF number.
So the greatest common factor 63,21,618 is 3.

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

• GCF of 53, 75, 605
• GCF of 82, 89, 475
• GCF of 92, 32, 156
• GCF of 95, 78, 381
• GCF of 36, 73, 509

1. What is the GCF of 63, 21, 618?

Answer: GCF of 63, 21, 618 is 3.

2. How to Find the GCF of 63, 21, 618

Answer: Greatest Common Factor(GCF) of 63, 21, 618 = 3

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

Step 2: Then multiply all the prime factors GCF(63, 21, 618) = 3.