IDL Reference Guide: Procedures and Functions

PRIMES

The PRIMES function computes the first K prime numbers.

This routine is written in the IDL language. Its source code can be found in the file primes.pro in the lib subdirectory of the IDL distribution.

Syntax

Result = PRIMES(K)

Return Value

The result is a K-element long integer vector.

Arguments

K

An integer or long integer scalar that specifies the number of primes to be computed.

Examples

To compute the first 25 prime numbers:

PRINT, PRIMES(25)  

IDL prints:

 2     3     5     7    11    13  
17    19    23    29    31    37  
41    43    47    53    59    61  
67    71    73    79    83    89  
97