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5.1.117 prime
Syntax:
prime ( int_expression )
Type:
- int
Purpose:
- returns the largest prime less than or equal to the argument; returns 2 for all arguments
smaller than 3.
Example:
| prime(320000);
==> 319993
prime(32004);
==> 32003
prime(0);
==> 2
prime(-1);
==> 2
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See
general_lib;
int.
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