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Find number property and write RPL program (HP-49G,G+, HP 50g)
10-12-2014, 10:20 AM (This post was last modified: 10-12-2014 10:45 AM by Thomas Ritschel.)
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Thomas Ritschel Offline
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RE: Find number property and write RPL program (HP-49G,G+, HP 50g)
Encouraged by Gerson's findings I was checking the serial numbers of quite a few bank notes and luckily also found two Sophie Germain primes (see attached image).

Surprisingly one of these numbers (the one on the 100 Euro note) is also a member of another special prime form.

Can you find it?

[Image: attachment.php?aid=1125]


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RE: Find number property and write RPL program (HP-49G,G+, HP 50g) - Thomas Ritschel - 10-12-2014 10:20 AM



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