111111111111111

This number is a composite.

11111 1111111111

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The smallest repunit 6-almost prime, i.e., having 6 prime factors (111111111111111 = 3*31*37*41*271*2906161). [Gupta]

Submitted: 2003-12-27 02:44:55; Last Modified: 2008-01-30 17:28:00.