Daniel Fischer <[EMAIL PROTECTED]> wrote: > Am Montag, 27. Oktober 2008 12:35 schrieb Achim Schneider: > > Daniel Fischer <[EMAIL PROTECTED]> wrote: > > > Am Montag, 27. Oktober 2008 11:46 schrieb Henning Thielemann: > > > > I also know a didact which tells teachers that 1 has no prime > > > > decomposition. Oh, I see, she may have copied that from > > > > Wikipedia: http://en.wikipedia.org/wiki/Prime_factorisation > > > > > > I can believe that makes sense to somebody who considers 0 an > > > unnatural number, an empty product must be frightening for them. > > > > That is just mathematical trickery and dodgery, silently defining 1 > > as prime by including it (even infinitely many times!) in any prime > > factor, > > Who does such horrible things? > Repeat after me: 1 is NOT a prime. Never, under no circumstances. > Then chase it out of your prime factor products. You'd be the first one to break a monoid and locate unsafeCalculate#.
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