Primes and patterns into 19-digit integers
#5
@david_uwi   ' << sorry refuses to tag for me sometimes if I fiddle enough it will

Interesting indeed! Only one with even number of digits? What was it?

How were able to rule out numbers of the form 1 (<n amount zeroes>) 1 ie 1 on both ends and any amount of zeroes in between?

Update: What was I thinking??? If you could multiply by a number then it's not prime to begin with!
b = b + ...
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RE: Primes and patterns into 19-digit integers - by bplus - 03-10-2023, 04:03 PM



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