Home primes: Difference between revisions
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Use home not Home (as per wp and elsewhere)
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The traditional notation has the prefix "HP" and a postfix count of the number of iterations until the home prime is found (if the count is greater than 0), for instance HP4(2) === HP22(1) === 211 is the same as saying the home prime of 4 needs 2 iterations and is the same as the home prime of 22 which needs 1 iteration, and (both) resolve to 211, a prime.
Prime numbers are their own
So:
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HP7 = 7
If the integer obtained by concatenating increasing prime factors is not prime, iterate until you reach a prime number; the
HP4(2) = HP22(1) = 211
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;Task
* Find and show here, on this page, the
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;Impossible goal
* Show the the
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