The book is now available! 74777...77517 (28-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                              74777481 7487748974 9975077517
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The smallest emirp commencing and ending with the digit 7 formed by concatenating seven consecutive primes: {7477, 7481, 7487, 7489, 7499, 7507, 7517}. [Jha]

 

  Submitted: 2018-05-05 14:24:43;   Last Modified: 2018-05-05 14:32:22.



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