9

This number is a composite.

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9 is the smallest "April Fools prime." (April Fools' Day is an annual custom on 1 April consisting of practical jokes and hoaxes. Jokesters often expose their actions by shouting "April Fools!" at the recipient.)

Submitted: 1999-09-02 18:40:00;   Last Modified: 2022-09-06 06:04:30.
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