GCF for 10 and 805

What is the Greatest Common Factor of 10 and 805?

Answer: GCF of 10 and 805 is 5

(Five)

Finding GCF for 10 and 805 using all factors (divisors) listing

The first method to find GCF for numbers 10 and 805 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 805: 1, 5, 7, 23, 35, 115, 161, 805

So the Greatest Common Factor for 10 and 805 is 5

Finding GCF for 10 and 805 by Prime Factorization

The second method to find GCF for numbers 10 and 805 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 805: 5, 7, 23

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 805

GCF Table

Number 1Number 2GCF
18051
28051
38051
48051
58055
68051
78057
88051
98051
108055
118051
128051
138051
148057
158055
168051
178051
188051
198051
208055
218057
228051
2380523
248051
258055
268051
278051
288057
298051
308055

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 Factor of 10 and 805? (The answer is: 5). Select the first number (e.g. '10') and the second number (e.g. '805'). 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 Factor of 10 and 805?

GCF of 10 and 805 is 5