Find Greatest Common Divisor of 1914 and 899, using prime factorization.
Answer
The GCD of given numbers is 29.
Explanation
Step 1 : Find prime factorization of each number.
$$\begin{aligned}1914 =& 2\cdot3\cdot11\cdot29\\[8pt]899 =& 29\cdot31\\[8pt]\end{aligned}$$(view steps on how to factor 1914 and 899. )
Step 2 : Put a box around factors that are common for all numbers:
$$\begin{aligned}1914 =& 2\cdot3\cdot11\cdot\color{blue}{\boxed{29}}\\[8pt]899 =& \color{blue}{\boxed{29}}\cdot31\\[8pt]\end{aligned}$$Step 3 : Multiply the boxed numbers together:
$$ GCD = 29 $$This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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