in reply to Not a Sieve
See also prime factorization using base 1 which suggests
print"$_,"x(1x$_)!~/^(11+)\1+$/ for 2..232
In Section
Obfuscated Code
in reply to Not a Sieve
See also prime factorization using base 1 which suggests
print"$_,"x(1x$_)!~/^(11+)\1+$/ for 2..232