GCF for 15 and 53

What is the Greatest common Divisor of 15 and 53?

Answer: GCF of 15 and 53 is 1

(One)

Finding GCF for 15 and 53 using all factors (divisors) listing

The first method to find GCF for numbers 15 and 53 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 53: 1, 53

So the Greatest Common Factor for 15 and 53 is 1

Finding GCF for 15 and 53 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 53? (The answer is: 1). Select the first number (e.g. '15') and the second number (e.g. '53'). 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
1531
2531
3531
4531
5531
6531
7531
8531
9531
10531
11531
12531
13531
14531
1553
16531
17531
18531
19531
20531
21531
22531
23531
24531
25531
26531
27531
2853
29531
30531

FAQ

What is the Greatest common Divisor of 15 and 53?

GCF of 15 and 53 is 1