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Finding 6-digit-vampire numbers

Jay Turner

Joined: Oct 07, 2013
Posts: 8

I am trying to learn C and find 6-digit-vampire numbers. I found all six-digit numbers which are got result of multiplying two three-digit numbers and separated them. But, I couldn't come up with any good idea about if one of them is vampire number.
Can you help with getting a hint about algorithm of the problem?
Vampire Number:

I agree. Here's the link:
subject: Finding 6-digit-vampire numbers
It's not a secret anymore!