GCF for 22 and 121

What is the Greatest common Divisor of 22 and 121?

Answer: GCF of 22 and 121 is 11

(Eleven)

Finding GCF for 22 and 121 using all factors (divisors) listing

The first method to find GCF for numbers 22 and 121 is to list all factors for both numbers and pick the highest common one:

All factors of 22: 1, 2, 11, 22

All factors of 121: 1, 11, 121

So the Greatest Common Factor for 22 and 121 is 11

Finding GCF for 22 and 121 by Prime Factorization

The second method to find GCF for numbers 22 and 121 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 22: 2, 11

All Prime Factors of 121: 11, 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 22 and 121

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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 22 and 121? (The answer is: 11). Select the first number (e.g. '22') and the second number (e.g. '121'). 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

GCF Table

Number 1Number 2GCF
71211
81211
91211
101211
11121
121211
131211
141211
151211
161211
171211
181211
191211
201211
211211
22121
231211
241211
251211
261211
271211
281211
291211
301211
311211
321211
33121
341211
351211
361211

FAQ

What is the Greatest common Divisor of 22 and 121?

GCF of 22 and 121 is 11