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Oct
19
awarded  Scholar
Oct
19
accepted Can you make any number prime by adding some digits to the right?
Oct
19
comment Can you make any number prime by adding some digits to the right?
Thanks for sharing that gem! That's neat that it covers both ends of the number. I was wondering if Dirichlet's theorem could be used to connect the digits of two co-prime numbers with an arbitrary number of zeros between them to make a prime. You really hit on an theorem that is close to that. Thanks!
Oct
19
awarded  Supporter
Oct
19
awarded  Nice Question
Oct
18
awarded  Student
Oct
18
asked Can you make any number prime by adding some digits to the right?