Greatest Common Factor of 420, 800, 665

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

• Greatest Common Factor of 420, 800, 665 by common division method
• Greatest Common Factor of 420, 800, 665 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

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 665

List of positive integer factors of 665 that divides 665 without a remainder.

1,5,7,19,35,95,133,665

Greatest Common Factor

We found the factors 420,800,665 . The biggest common factor number is the GCF number.
So the greatest common factor 420,800,665 is 5.

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

• GCF of 426, 585, 192
• GCF of 584, 515, 292
• GCF of 725, 683, 100
• GCF of 118, 949, 505
• GCF of 390, 334, 601

1. What is the GCF of 420, 800, 665?

Answer: GCF of 420, 800, 665 is 5.

2. How to Find the GCF of 420, 800, 665

Answer: Greatest Common Factor(GCF) of 420, 800, 665 = 5

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

Step 2: Then multiply all the prime factors GCF(420, 800, 665) = 5.