This number is a prime.

                                                                9 9999999977

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The largest 11-digit prime number, this easy-to-remember prime number (it is the concatenation of nine 9's and two 7's) could come in handy if you need to enter an eleven-digit prime number to restart your computer. [Dobb]

Submitted: 2004-12-04 16:52:22;   Last Modified: 2008-01-30 11:28:00.
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