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 10:31:23; Last Modified: 2020-08-16 11:48:24.
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