The book is now available! 11111...11111 (51-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                    1 1111111111 1211111212 2112421122 1211111211 1111111111
+ A palindromic prime such that the square of the SOD (Sum of Digits) is equal to the POD (Product of Digits), i.e., SOD=64=2^6 and POD=2^12. Found by J. C. Rosa, 2002. [Rivera]

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