Find Greatest Common Divisor of 589432167 and 3498762, using prime factorization.
Answer
The GCD of given numbers is 3.
Explanation
Step 1 : Find prime factorization of each number.
$$\begin{aligned}589432167 =& 3\cdot3\cdot3\cdot1307\cdot16703\\[8pt]3498762 =& 2\cdot3\cdot583127\\[8pt]\end{aligned}$$(view steps on how to factor 589432167 and 3498762. )
Step 2 : Put a box around factors that are common for all numbers:
$$\begin{aligned}589432167 =& \color{blue}{\boxed{3}}\cdot3\cdot3\cdot1307\cdot16703\\[8pt]3498762 =& 2\cdot\color{blue}{\boxed{3}}\cdot583127\\[8pt]\end{aligned}$$Step 3 : Multiply the boxed numbers together:
$$ GCD = 3 $$This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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