19991227

This number is a prime.

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The last (or largest) prime date in the 20th century, when expressed in the international YYYY-MM-DD format as 1999-12-27 (December 27th, 1999). Is your birthday prime? [Bellows]

Submitted: 2016-07-11 16:21:43; Last Modified: 2016-07-13 18:13:49.