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Single Curio View: (Seek other curios for this number) (11, 13, 17, 19) is the first prime quadruple (p, q, r, s) such that s divides pqr+1. [Loungrides]
Submitted: 2011-01-08 11:58:50; Last Modified: 2011-01-17 17:29:51.
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