"Ron Rosenfeld" wrote in message

<sheepish look I inputted the wrong number to be missing the '5'.
After rechecking, it turns out I was inputting 123456789 rather than
1234567890.

Of interest is that the prime factors for 123456789 are very
similar.
Just eliminate the 2 and the 5.


That would be because putting a 0 on the end is the same as
multiplying by 10?

Alan.