10000...73003 (1000-digits)

This number is a prime.

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10⁹⁹⁹ + 5537073003 is the smallest 1000-digit prime with the first digit being equal to preceding gap and the last digit being equal to following gap. [Luhn and Kulsha]

Submitted: 2001-09-30 09:21:41; Last Modified: 2008-01-30 17:28:00.