GCF for 1 and 13

What is the Greatest Common Factor of 1 and 13?

Answer: GCF of 1 and 13 is 1

(One)

Finding GCF for 1 and 13 using all factors (divisors) listing

The first method to find GCF for numbers 1 and 13 is to list all factors for both numbers and pick the highest common one:

All factors of 1: 1

All factors of 13: 1, 13

So the Greatest Common Factor for 1 and 13 is 1

Finding GCF for 1 and 13 by Prime Factorization

GCF Table

Number 1Number 2GCF
1131
2131
3131
413
5131
613
713
813
913
1013
1113
1213
131313
14131
15131
16131
17131
18131
19131
20131
21131
22131
23131
24131
25131
261313
27131
28131
29131
30131

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 1 and 13? (The answer is: 1). Select the first number (e.g. '1') and the second number (e.g. '13'). 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 1 and 13?

GCF of 1 and 13 is 1