# install bison/re2c first
$ make  
$ make install

maxnum = 10
i = 2

func is_prime(n)
    local j = 2
    while j * j < n + 1
        if n % j == 0
            return False
        end
        j += 1
    end
    return True
end

while i <= maxnum
    if is_prime(i)
        print(i)
    end
    i += 1
end