702913
This number is a prime.
Just showing those entries submitted by 'Gupta': (Click here to show all)
The largest distinct-digit prime which remains prime on appending, prepending or inserting in any position the
digit ‘7’ i.e. 7029137, 7702913, 7072913, 7027913, 7029713,
7029173 are all primes. [Gupta]
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