Prime Curios!: 881

881
(another Prime Pages' Curiosity)

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The largest three-digit prime of any form ABC such that A + BC, AB + C, and A + B + C are prime. In the case of 881: 8 + 81; 88 + 1; and 8 + 8 + 1 are all prime. [Kilpatrick]

Submitted: 2006-03-10 13:56:23; Last Modified: 2008-01-30 11:28:00.