Question
Write the smallest $5$-digit number and express it into the forms of prime factors.

Answer

The smallest five-digit number is $10000.$
$2$ $10000$
$2$ $5000$
$2$ $2500$
$2$ $1250$
$5$ $625$
$5$ $125$
$5$ $25$
$5$ $5$
  $1$
$\therefore 10000 = 2 \times 2 \times 2 \times 2 \times 5 \times 5 \times 5 \times 5$

 

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