Greatest Common Factor of 21, 15, 564

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

• Greatest Common Factor of 21, 15, 564 by common division method
• Greatest Common Factor of 21, 15, 564 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 21

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

1,3,7,21

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 564

List of positive integer factors of 564 that divides 564 without a remainder.

1,2,3,4,6,12,47,94,141,188,282,564

Greatest Common Factor

We found the factors 21,15,564 . The biggest common factor number is the GCF number.
So the greatest common factor 21,15,564 is 3.

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

• GCF of 94, 73, 325
• GCF of 61, 61, 113
• GCF of 75, 51, 590
• GCF of 69, 60, 203
• GCF of 28, 19, 796

1. What is the GCF of 21, 15, 564?

Answer: GCF of 21, 15, 564 is 3.

2. How to Find the GCF of 21, 15, 564

Answer: Greatest Common Factor(GCF) of 21, 15, 564 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 15, 564) = 3.