Untouchable numbers: Difference between revisions

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=={{header|REXX}}==
=={{header|REXX}}==
{{incorrect|REXX|sorry, 150,232 not that +20}}
Some optimization was done to the code to produce prime numbers,   since a simple test could be made to exclude
Some optimization was done to the code to produce prime numbers,   since a simple test could be made to exclude
<br>the calculation of touchability for primes as the aliquot sum of a prime is unity.
<br>the calculation of touchability for primes as the aliquot sum of a prime is unity.