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<p>[QUOTE=&quot;davidh, post: 2201061, member: 15062&quot;]Not quite so.&nbsp; For serials between 00000001 and 00000100 there are 25 primes.&nbsp; Between 00000101 and 00000200 there are 20.&nbsp; Between 00000201 and 00000300 there are 16.&nbsp; The number of primes in any sequence of 100 bills with eight digit serials drops on a roughly logarithmic curve so that between 55555501 and 55555600 there are 8 primes.&nbsp; At the far end of possible serial numbers, between 99999899 and 99999999 there are 5 primes.&nbsp; In the entire range of serial numbers from 00000001 through 99999999, there are 5,761,455 primes.&nbsp; The larger a number is, the less likely it is to be prime.</p><p><br /></p><p>ref: <a href="http://www.wolframalpha.com" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.wolframalpha.com" rel="nofollow">www.wolframalpha.com</a>[/QUOTE]</p><p><br /></p>

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