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Single Curio View: (Seek other curios for this number) The product of first 421 positive even numbers minus 1, i.e., 2^421*421!1 is the smallest titanic prime of form 2^p*p!1, where p is a prime. [Loungrides]
Submitted: 20160616 11:29:03; Last Modified: 20160711 08:53:35.
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