GCF of 11 and 55 (Greatest Common Factor)

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest Common Divisor of 11 and 55?

Answer

GCF of 11 and 55 is 11

(Eleven)

Finding GCF for 11 and 55 using all factors (divisors) listing

The first method to find GCF for numbers 11 and 55 is to list all factors for both numbers and pick the highest common one:

All factors of 11: 1, 11

All factors of 55: 1, 5, 11, 55

So the Greatest Common Factor for 11 and 55 is 11

Finding GCF for 11 and 55 by Prime Factorization

The second method to find GCF for numbers 11 and 55 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 11: 11

All Prime Factors of 55: 5, 11

As we can see there is only one Prime Factor common to both numbers. It is 11

So 11 is the Greatest Common Factor of 11 and 55

Related Calculations

See Also

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 11 and 55? (The answer is: 11). Select the first number (e.g. '11') and the second number (e.g. '55'). 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.

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
11201
11211
112211
11231
11261
11271
11281
11301
11311
11321
113311
11341
11351
11361
11371
11391
11401
11411
11421
11431
114411
11461
11471
11481
11511
11541
115511
11561
11591
11601

FAQ

What is the Greatest Common Divisor of 11 and 55?

GCF of 11 and 55 is 11

How to find the GCF of 11 and 55?

You can find the GCF of 11 and 55 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 11 and 55 is 11.

See Also