267389
This number is a prime.
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The largest distinct-digit prime which remains prime on appending, prepending or inserting in any position the
digit ‘9’, i.e., 2673899, 9267389, 2967389, 2697389, 2679389, 2673989 are all primes. [Gupta]
Submitted: 2020-07-19 12:26:14; Last Modified: 2020-08-09 00:52:30.
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