The book is now available! 2141
(just those submitted by Gaydos)
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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 'Gaydos': (Click here to show all)

+ 2141 and 2273 are the first pair of consecutive Sophie Germain primes that are both Honaker primes. [Gaydos]

+ The smallest Honaker prime for which the sums of the squares of the digits of itself and its prime index (323) are also equal. [Gaydos]

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