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1992 = 8 x 3 x 83. The only other two years in the period 1000 to 1999 to share the structure of "a x b x 'ab'" (where 'ab' is prime and the concatenation of the factors a and b) are 1316 = 4 x 7 x 47 and 1533 = 7 x 3 x 73. [Trotter]

 

  Submitted: 2001-05-29 17:43:12;   Last Modified: 2008-01-30 11:28:00.



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