GCF for 99 and 121

What is the Greatest common Divisor of 99 and 121?

Answer: GCF of 99 and 121 is 11

(Eleven)

Finding GCF for 99 and 121 using all factors (divisors) listing

The first method to find GCF for numbers 99 and 121 is to list all factors for both numbers and pick the highest common one:

All factors of 99: 1, 3, 9, 11, 33, 99

All factors of 121: 1, 11, 121

So the Greatest Common Factor for 99 and 121 is 11

Finding GCF for 99 and 121 by Prime Factorization

The second method to find GCF for numbers 99 and 121 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 99: 3, 3, 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 99 and 121

Related Calculations

GCF Table

Number 1Number 2GCF
841211
851211
861211
871211
88121
891211
901211
911211
921211
931211
941211
951211
961211
971211
981211
99121
1001211
1011211
1021211
1031211
1041211
1051211
1061211
1071211
1081211
1091211
11012111
1111211
1121211
1131211

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 99 and 121? (The answer is: 11). Select the first number (e.g. '99') 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

FAQ

What is the Greatest common Divisor of 99 and 121?

GCF of 99 and 121 is 11