Posted by **Kris** on Sunday, November 30, 2008 at 3:40pm.

A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and their properties. One of which is the only 3-digit numbers that are prime and all rearrangements of their digit are also prime are 113,119, and 337. Find the 2-digit numbers that also have this property.

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