GCF for 15 and 17

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 15 and 17?

Answer: GCF of 15 and 17 is 1

(One)

Finding GCF for 15 and 17 using all factors (divisors) listing

The first method to find GCF for numbers 15 and 17 is to list all factors for both numbers and pick the highest common one:

All factors of 15: 1, 3, 5, 15

All factors of 17: 1, 17

So the Greatest Common Factor for 15 and 17 is 1

Finding GCF for 15 and 17 by Prime Factorization

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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 15 and 17? (The answer is: 1). Select the first number (e.g. '15') and the second number (e.g. '17'). 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
1171
2171
3171
4171
5171
6171
7171
8171
9171
10171
11171
12171
13171
14171
15171
16171
171717
18171
19171
20171
21171
22171
23171
24171
25171
26171
27171
28171
29171
30171

FAQ

What is the Greatest common Divisor of 15 and 17?

GCF of 15 and 17 is 1

See Also