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                                                    46 9101415212 2252633343
5383946495 1555758626 5697477828 5868791939 4951061111 1511811912 1122123129
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Concatenating the first 44 semiprimes gives a 92-digit semiprime. This is the largest known example as of 1 February 2005. The question of which primes occur in concatenated consecutive semiprimes is not yet known. [Post]

 

  Submitted: 2005-02-01 14:05:48;   Last Modified: 2008-01-30 11:28:00.



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