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(just those submitted by Rupinski)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Rupinski': (Click here to show all)

© Baskin-Robbins
+ If t(n) represents the nth triangular number, then 31 is the smallest prime of the form t(p) + t(q), where p and q are themselves prime. [Rupinski]

+ The smallest prime that is a generalized repunit in three different bases. [Rupinski]

+ The largest integer such that the average number of triangular numbers required to express the integers less than or equal to it is exactly two. [Rupinski]

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