# Who's up to the challenge?17

$\exp \left ( {\displaystyle \sum _{ n|896 }{ \Lambda (n) } } \right) = \, ?$

Notations:

• $$\Lambda(x)$$ denotes the Mangoldt function.

• $$\exp(x)$$ denotes the exponential function, $$\exp(x) = e^x$$.

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