The book is now available! 99999...99089 (100-digits)
(just those submitted by Gupta)
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                                            9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999089

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

+ The largest prime less than a googol and containing only non-prime digits. [Gupta]

+ The largest Happy prime less than a googol. [Gupta]

+ The largest prime less than a googol and containing only curved digits. [Gupta]




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