GCF for 20 and 67

What is the Greatest common Divisor of 20 and 67?

Answer: GCF of 20 and 67 is 1

(One)

Finding GCF for 20 and 67 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 67 is to list all factors for both numbers and pick the highest common one:

All factors of 20: 1, 2, 4, 5, 10, 20

All factors of 67: 1, 67

So the Greatest Common Factor for 20 and 67 is 1

Finding GCF for 20 and 67 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 20 and 67? (The answer is: 1). Select the first number (e.g. '20') and the second number (e.g. '67'). 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
5671
6671
7671
8671
9671
10671
11671
12671
13671
14671
15671
16671
17671
18671
19671
2067
21671
22671
23671
24671
25671
26671
27671
28671
29671
30671
31671
32671
33671
34671

FAQ

What is the Greatest common Divisor of 20 and 67?

GCF of 20 and 67 is 1