GCF for 2 and 54

What is the Greatest Common Factor of 2 and 54?

Answer: GCF of 2 and 54 is 2

(Two)

Finding GCF for 2 and 54 using all factors (divisors) listing

The first method to find GCF for numbers 2 and 54 is to list all factors for both numbers and pick the highest common one:

All factors of 2: 1, 2

All factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

So the Greatest Common Factor for 2 and 54 is 2

Finding GCF for 2 and 54 by Prime Factorization

The second method to find GCF for numbers 2 and 54 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 2: 2

All Prime Factors of 54: 2, 3, 3, 3

As we can see there is only one Prime Factor common to both numbers. It is 2

So 2 is the Greatest Common Factor of 2 and 54

Related Calculations

GCF Table

Number 1Number 2GCF
1541
2542
3543
4542
5541
6546
7541
8542
954
10542
11541
1254
1354
14542
15543
1654
17541
1854
19541
20542
2154
22542
23541
2454
25541
2654
2754
28542
29541
3054

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest Common Factor of 2 and 54? (The answer is: 2). Select the first number (e.g. '2') and the second number (e.g. '54'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest Common Factor of 2 and 54?

GCF of 2 and 54 is 2