The book is now available! 10909...90901 (33-digits)
(just those submitted by Green)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                        109 0909090909 0909090909 0909090901

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

+ A palindromic alternate-digit prime; nearly a SUPP prime except for a couple of bumps (also written as 1(09)1501). [Green]

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