Greatest Common Factor of 420, 660, 218

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

• Greatest Common Factor of 420, 660, 218 by common division method
• Greatest Common Factor of 420, 660, 218 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 = 2

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

Factors of 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Greatest Common Factor

We found the factors 420,660,218 . The biggest common factor number is the GCF number.
So the greatest common factor 420,660,218 is 2.

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

• GCF of 348, 320, 256
• GCF of 711, 509, 760
• GCF of 401, 169, 872
• GCF of 595, 409, 154
• GCF of 950, 221, 952

1. What is the GCF of 420, 660, 218?

Answer: GCF of 420, 660, 218 is 2.

2. How to Find the GCF of 420, 660, 218

Answer: Greatest Common Factor(GCF) of 420, 660, 218 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 660, 218) = 2.