72, and there's some nasty bits at the end:

sub p{@_=(2..pop);while($a=$_[0]){@_=grep{$_%$a}@_;$_.=" $a";}split' ';}

Be glad I didn't post the regex one.

In reply to Re: (Golf): Sieve of Eratosthenes by chromatic
in thread (Golf): Sieve of Eratosthenes by tilly

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