11

This number is a prime.

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11 is the first member of the only prime triplet {11, 13, 17}, where each prime member of this triplet is also a member of 3 different prime triplets: 11 → {5, 7, 11}, {7,11, 13}, {11, 13, 17}, 13 → {7,11, 13}, {11, 13, 17}, {13,17, 19}, 17 → {11, 13, 17}, {13, 17, 19}, {17, 19, 23}. [Green]

Submitted: 2020-06-23 20:28:46;   Last Modified: 2020-07-03 17:50:00.
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