GCF for 54 and 162

What is the Greatest common Divisor of 54 and 162?

Answer: GCF of 54 and 162 is 54

(Fifty-four)

Finding GCF for 54 and 162 using all factors (divisors) listing

The first method to find GCF for numbers 54 and 162 is to list all factors for both numbers and pick the highest common one:

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

All factors of 162: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

So the Greatest Common Factor for 54 and 162 is 54

Finding GCF for 54 and 162 by Prime Factorization

The second method to find GCF for numbers 54 and 162 is to list all Prime Factors for both numbers and multiply the common ones:

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

All Prime Factors of 162: 2, 3, 3, 3, 3

As we can see there are Prime Factors common to both numbers: 2, 3, 3, 3

Now we need to multiply them to find GCF: 2 × 3 × 3 × 3 = 54

GCF Table

Number 1Number 2GCF
391623
401622
411621
42162
431621
441622
451629
461622
471621
481626
491621
501622
511623
521622
531621
54162
551621
561622
571623
581622
591621
601626
611621
621622
631629
641622
651621
661626
671621
681622

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 Divisor of 54 and 162? (The answer is: 54). Select the first number (e.g. '54') and the second number (e.g. '162'). 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 Divisor of 54 and 162?

GCF of 54 and 162 is 54