The book is now available! 77777...77777 (49-digits)
(another Prime Pages' Curiosity)
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                       777777779 9999779666 9779686977 9666977999 9977777777
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1111111122222112000211202021120002112222211111111 +

3333333300000330666033065603306660330000033333333 +

3333333377777337000733701073370007337777733333333 =

7777777799999779666977968697796669779999977777777 .

All four numbers are square-congruent primes. [Hartley]

 

  Submitted: 2003-02-05 22:04:41;   Last Modified: 2008-12-22 23:37:57.



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