GCF for 10 and 615

What is the Greatest Common Factor of 10 and 615?

Answer: GCF of 10 and 615 is 5

(Five)

Finding GCF for 10 and 615 using all factors (divisors) listing

The first method to find GCF for numbers 10 and 615 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 615: 1, 3, 5, 15, 41, 123, 205, 615

So the Greatest Common Factor for 10 and 615 is 5

Finding GCF for 10 and 615 by Prime Factorization

The second method to find GCF for numbers 10 and 615 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 615: 3, 5, 41

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 615

GCF Table

Number 1Number 2GCF
16151
26151
36153
46151
56155
66153
76151
86151
96153
106155
116151
126153
136151
146151
1561515
166151
176151
186153
196151
206155
216153
226151
236151
246153
256155
266151
276153
286151
296151
3061515

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 615? (The answer is: 5). Select the first number (e.g. '10') and the second number (e.g. '615'). 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 615?

GCF of 10 and 615 is 5