Greatest Common Factor of 20, 82, 420

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

• Greatest Common Factor of 20, 82, 420 by common division method
• Greatest Common Factor of 20, 82, 420 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 20

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

1,2,4,5,10,20

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

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

Greatest Common Factor

We found the factors 20,82,420 . The biggest common factor number is the GCF number.
So the greatest common factor 20,82,420 is 2.

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

• GCF of 19, 22, 912
• GCF of 26, 54, 324
• GCF of 42, 69, 526
• GCF of 61, 99, 476
• GCF of 64, 67, 373

1. What is the GCF of 20, 82, 420?

Answer: GCF of 20, 82, 420 is 2.

2. How to Find the GCF of 20, 82, 420

Answer: Greatest Common Factor(GCF) of 20, 82, 420 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 82, 420) = 2.