The book is now available! 2101243
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ 2101243 and 2101247 are the first cousin prime pair of the type p=2^n+2^R(n)-5 and q==2^n+2^R(n)-1, where R(n) is the reversal of n (case n=12). Note that the sums of their digits are another cousin prime pair. [Loungrides]

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