GCF for 15 and 32

What is the Greatest common Divisor of 15 and 32?

Answer: GCF of 15 and 32 is 1

(One)

Finding GCF for 15 and 32 using all factors (divisors) listing

The first method to find GCF for numbers 15 and 32 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 32: 1, 2, 4, 8, 16, 32

So the Greatest Common Factor for 15 and 32 is 1

Finding GCF for 15 and 32 by Prime Factorization

See Also

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 32? (The answer is: 1). Select the first number (e.g. '15') and the second number (e.g. '32'). 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

GCF Table

Number 1Number 2GCF
1321
2322
3321
4324
5321
632
7321
832
932
10322
11321
1232
13321
1432
1532
1632
17321
1832
19321
2032
2132
2232
23321
2432
2532
2632
2732
2832
29321
3032

FAQ

What is the Greatest common Divisor of 15 and 32?

GCF of 15 and 32 is 1