The book is now available! 5507
(just those submitted by Gaydos)
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Just showing those entries submitted by 'Gaydos': (Click here to show all)

+ The smallest prime number for which the first ten digits of its square root are pandigital (74.20916385). [Gaydos]

+ The smallest Honaker prime that produces another Honaker prime (7285507) when concatenated to its prime index (728). [Gaydos]




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