Find Greatest Common Divisor of 5616 and 54756, using prime factorization.

Step 1 : Find prime factorization of each number.

$$\begin{aligned}5616 =& 2\cdot2\cdot2\cdot2\cdot3\cdot3\cdot3\cdot13\\[8pt]54756 =& 2\cdot2\cdot3\cdot3\cdot3\cdot3\cdot13\cdot13\\[8pt]\end{aligned}$$

(view steps on how to factor 5616 and 54756. )

Step 2 : Put a box around factors that are common for all numbers:

$$\begin{aligned}5616 =& \color{blue}{\boxed{2}}\cdot\color{red}{\boxed{2}}\cdot2\cdot2\cdot\color{Fuchsia}{\boxed{3}}\cdot\color{Orange}{\boxed{3}}\cdot\color{Purple}{\boxed{3}}\cdot\color{blue}{\boxed{13}}\\[8pt]54756 =& \color{blue}{\boxed{2}}\cdot\color{red}{\boxed{2}}\cdot\color{Fuchsia}{\boxed{3}}\cdot\color{Orange}{\boxed{3}}\cdot\color{Purple}{\boxed{3}}\cdot3\cdot\color{blue}{\boxed{13}}\cdot13\\[8pt]\end{aligned}$$

Step 3 : Multiply the boxed numbers together:

$$ GCD = 2\cdot2\cdot3\cdot3\cdot3\cdot13 = 1404 $$

This solution can be visualized using a Venn diagram.

The GCD equals the product of the numbers at the intersection.

GCD Calculator