Answer
$836=2^2\times11\times19$
Work Step by Step
$\ \ 836$
$\swarrow\searrow$
$2\ \ \ 418$
$\ \ \ \ \swarrow\searrow$
$\ \ \ \ 2\ \ \ \ \ \ \ 209$
$\ \ \ \ \ \ \ \ \ \ \swarrow\searrow$
$\ \ \ \ \ \ \ \ \ 11\ \ \ \ \ \ \ 19$
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