Greatest Common Factor of 420, 585, 816

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

• Greatest Common Factor of 420, 585, 816 by common division method
• Greatest Common Factor of 420, 585, 816 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 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 585

List of positive integer factors of 585 that divides 585 without a remainder.

1,3,5,9,13,15,39,45,65,117,195,585

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 420,585,816 . The biggest common factor number is the GCF number.
So the greatest common factor 420,585,816 is 3.

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

• GCF of 845, 396, 489
• GCF of 319, 983, 957
• GCF of 654, 133, 125
• GCF of 718, 742, 804
• GCF of 781, 586, 698

1. What is the GCF of 420, 585, 816?

Answer: GCF of 420, 585, 816 is 3.

2. How to Find the GCF of 420, 585, 816

Answer: Greatest Common Factor(GCF) of 420, 585, 816 = 3

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

Step 2: Then multiply all the prime factors GCF(420, 585, 816) = 3.