Greatest Common Factor of 54, 20, 420

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

• Greatest Common Factor of 54, 20, 420 by common division method
• Greatest Common Factor of 54, 20, 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 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 20

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

1,2,4,5,10,20

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 54,20,420 . The biggest common factor number is the GCF number.
So the greatest common factor 54,20,420 is 2.

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

• GCF of 42, 62, 870
• GCF of 21, 38, 694
• GCF of 48, 34, 767
• GCF of 10, 61, 791
• GCF of 24, 10, 184

1. What is the GCF of 54, 20, 420?

Answer: GCF of 54, 20, 420 is 2.

2. How to Find the GCF of 54, 20, 420

Answer: Greatest Common Factor(GCF) of 54, 20, 420 = 2

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

Step 2: Then multiply all the prime factors GCF(54, 20, 420) = 2.