The book is now available! 69999...32211 (47-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                         6999999 9998888888 8777777766 6666555554 4443332211
+ The smallest prime formed by inserting the concatenation in reverse order of all the digits d, d times each of them, between the digits of a double-digit prime q, (case q=61). [Loungrides]




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