This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
Single Curio View: (Seek other curios for this number)10^999+7 is the only 1000-digit extremely naughty prime. [Loungrides]
Submitted: 2015-11-20 23:14:24; Last Modified: 2018-04-14 17:11:14.
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