A related technique is to use distinct prime numbers for periodicities in the first place: http://www.stdlib.net/~colmmacc/2009/11/26/period-pain-3/ http://www

A related technique is to use distinct prime numbers for periodicities in the first place: http://www.stdlib.net/~colmmacc/2009/11/26/period-pain-3/ http://www.stdlib.net/~colmmacc/2009/11/26/period-pain-3/ (http://www.stdlib.net/~colmmacc/2009/09/27/period-pain-part-2/ http://www.stdlib.net/~colmmacc/2009/09/27/period-pain-part-... http://www.stdlib.net/~colmmacc/2009/09/14/period-pain/ http://www.stdlib.net/~colmmacc/2009/09/14/period-pain/ for the background material). The reasons primes are optimal should be obvious :)