Truncatable primes: Difference between revisions
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998443</lang>
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<lang Icon>procedure main(arglist)
N := 0 < integer(\arglist[1]) | 1000000 # primes to generator 1 to ... (1M or 1st arglist)
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Largest right truncatable prime = 739399</pre>
==
Truncatable primes may be constructed by starting with a set of one digit prime numbers and then repeatedly adding a non-zero digit (combine all possibilities of a truncatable prime digit sequence with each digit) and, at each step, selecting the prime numbers which result.
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MessageRequester("Truncatable primes",x+#CRLF$+y)</lang>
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<lang python>maxprime = 1000000
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