Greatest Common Factor of 20, 800, 405

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

• Greatest Common Factor of 20, 800, 405 by common division method
• Greatest Common Factor of 20, 800, 405 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 800

List of positive integer factors of 800 that divides 800 without a remainder.

1,2,4,5,8,10,16,20,25,32,40,50,80,100,160,200,400,800

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 20,800,405 . The biggest common factor number is the GCF number.
So the greatest common factor 20,800,405 is 5.

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

• GCF of 69, 730, 648
• GCF of 64, 298, 590
• GCF of 29, 315, 545
• GCF of 67, 678, 857
• GCF of 14, 566, 283

1. What is the GCF of 20, 800, 405?

Answer: GCF of 20, 800, 405 is 5.

2. How to Find the GCF of 20, 800, 405

Answer: Greatest Common Factor(GCF) of 20, 800, 405 = 5

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

Step 2: Then multiply all the prime factors GCF(20, 800, 405) = 5.