The book is now available! 55555...55557 (88-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                         55555555 5555555555
5555555555 5555555555 5555555555 5555555555 5555555555 5555555555 5555555557
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The largest near-repdigit prime p smaller than a googol found in the sequence 7, 57, 557, 5557, 55557, 555557, 5555557, etc. Curiously, p is also expressible as the sum of two squares. [Bajpai]

 

  Submitted: 2019-01-04 15:26:06;   Last Modified: 2019-01-04 15:45:04.



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