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Largest Expression
Which of these five algebraic expressions is largest, given $x$ is between 0 and 1?
Age 14 to 16 Short
Challenge Level
Answer: $2^6$
$2$ is a factor of $10$, and $1000000=10^6$
$=(2\times5)^6$
$=2^6\times5^6$
$=2^6\times$ an odd number
So the highest power of $2$ that divides $1000000$ is $2^6$
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.