Why are divisions slow?

Why are integer divisions in java about 30 times slower then multiplications?
Is it because java tests for division by 0?
But that shouldn't slow it down that much.
Is there some other reason?

DrClap wrote:
JosAH wrote:
(*) 'clearly' as in 'as clear as pages full of funky algorithms in obscure pseudo-code mixed with a lot of tricky modulo algebra and a boring list of corollaries can be' ;-)Well, this is the standard mathematician's definition of "clear" or "obvious".
Mathematician 1: ... and it's clear that A is homeomorphic to B in all spaces of Hausdorff dimension greater than 3...
Mathematician 2: Wait. Why is that clear?
(15 minute discussion ensues)
Mathematician 2: Oh, of course, obviously it's clear.:-) You forgot 'trivial' as in 'by corollaries #<lots of numbers all the way through the book/> and by <some mysterious theorems noone has ever heard of/> it is trivial that <some mumbo-jumbo/>'
I call those 'proof by intimidation' ;-)
kind regards,
Jos

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