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                                                            99977 7555333111
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The integer 999777555333111, made entirely from nonascending odd digits, factors into primes made entirely from odd digits: 999 777 555 333 111 = 3 x 37 x 9007005003001 [Post]

 

  Submitted: 2004-10-08 11:17:46;   Last Modified: 2008-01-30 11:28:00.



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