The book is now available! 99999...99999 (53-digits)
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                  999 9999999999 9999999999 9998999999 9999999999 9999999999

Just showing those entries submitted by 'Silva': (Click here to show all)

+ The first absolute largest palindromic prime. Absolute largest, i.e., formed from 9's and the middle digit 8, and, so, larger than any palindrome with the same number of digits. Palindromes of this pattern are expressed by the form 10^(2k+1)-10^k-1. [Silva]




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