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Four winning badge numbers have been selected in the weekly NYPD lottery, the winning numbers being 7429, 4199, 1001, 2431. One officer blamed the supervisors of the lottery for not selecting the tickets at random. What was this officer likely most concerned about?
A) The numbers are all multiples of 13 B) The probability that all the numbers are odd C) They all consist of an even number of prime factors D) Not one of the numbers have a factor less than 10 E) They all consist of the same number of prime factors
Any ideas where to start?
Source: For my own learning, I made up this question on my own. Hopefully someone else will learn something from it.
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