GCF for 10 and 165

What is the Greatest common Divisor of 10 and 165?

Answer: GCF of 10 and 165 is 5

(Five)

Finding GCF for 10 and 165 using all factors (divisors) listing

The first method to find GCF for numbers 10 and 165 is to list all factors for both numbers and pick the highest common one:

All factors of 10: 1, 2, 5, 10

All factors of 165: 1, 3, 5, 11, 15, 33, 55, 165

So the Greatest Common Factor for 10 and 165 is 5

Finding GCF for 10 and 165 by Prime Factorization

The second method to find GCF for numbers 10 and 165 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 10: 2, 5

All Prime Factors of 165: 3, 5, 11

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 10 and 165

Related Calculations

GCF Table

Number 1Number 2GCF
11651
21651
31653
41651
51655
61653
71651
81651
91653
101655
1116511
121653
131651
141651
1516515
161651
171651
181653
191651
201655
211653
2216511
231651
241653
251655
261651
271653
281651
291651
3016515

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 10 and 165? (The answer is: 5). Select the first number (e.g. '10') and the second number (e.g. '165'). 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 10 and 165?

GCF of 10 and 165 is 5