Prime Curios!: 1187

1187
(another Prime Pages' Curiosity)

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1187 concatenated with either the previous prime (1181) in order or the next prime (1193) in order is prime. This is the smallest 4-digit number with this property. [Mix]

Submitted: 2008-12-10 15:42:19; Last Modified: 2008-12-17 18:27:54.