99997777555533331111

This number is a composite.

                                                       9999777755 5533331111

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The integer 99997777555533331111, made entirely from nonascending odd digits, factors into primes made entirely from odd digits: 9999 7777 5555 3333 1111 = 11 x 101 x 90007000500030001. [Post]

Submitted: 2004-10-08 11:19:48;   Last Modified: 2008-01-30 11:28:00.
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