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Twin primes: Difference between revisions
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→optimized prime number generator: added an article.
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This REXX version has some optimization for prime generation.
This version won't return a correct value (for the number of twin pairs) for a limit < 73 (because of the manner in which low
primes are generated).
<lang rexx>/*REXX pgm counts the number of twin prime pairs under a specified number N (or a list).*/
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