97
This number is a prime.
Single Curio View: (Seek other curios for this number)
The larger of only two double-digit primes that remain
prime when inserting one, two, three or four zeros between
the digits. The other is 71. Note that both of them are
emirps. [Loungrides]
Submitted: 2011-08-20 15:31:23; Last Modified: 2020-08-16 16:48:24.
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