Greatest Common Factor of 816, 420, 660

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

• Greatest Common Factor of 816, 420, 660 by common division method
• Greatest Common Factor of 816, 420, 660 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 x 3 = 12

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

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 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 816,420,660 . The biggest common factor number is the GCF number.
So the greatest common factor 816,420,660 is 12.

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

• GCF of 326, 993, 915
• GCF of 149, 172, 622
• GCF of 755, 673, 148
• GCF of 764, 151, 213
• GCF of 903, 997, 876

1. What is the GCF of 816, 420, 660?

Answer: GCF of 816, 420, 660 is 12.

2. How to Find the GCF of 816, 420, 660

Answer: Greatest Common Factor(GCF) of 816, 420, 660 = 12

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

Step 2: Then multiply all the prime factors GCF(816, 420, 660) = 12.