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Hard recreational math problems
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2020-11-13, 02:28
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Ethan (EO)
"Ethan O'Connor"
Oct 2002
GIMPS since Jan 1996
2
^{2}
·23 Posts
Quote:
Originally Posted by
ATH
2. was proven by James Maynard:
https://arxiv.org/abs/1604.01041
Yes, there are infinitely many primes without 9 or 7 or any single digit removed.
Is anything known about more than one single digit removed? What's the largest set of digits base-10 such that there at least (choose your own bound here) primes containing none of those digits?
Ethan (EO)
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