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How many bases $b$ are there such that $663_b$ is prime?
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0 votes
How many bases
$b$ are there such that
$663_b$ is prime?

User Qboomerang
by
8.5k points

1 Answer

4 votes

Answer:

none

Explanation:

We assume you intend positive rational bases.


663_b is divisible by 3, so cannot be prime.

User Mistiru
by
6.4k points
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