7487

This number is a prime.

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The largest prime p of the type p=q*R(q)-(q+R(q)) where q is a double-digit number and R(q) its reversal (case q=97). [Loungrides]

Submitted: 2016-03-20 08:18:31;   Last Modified: 2018-11-23 07:57:31.
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