Which of the following is the set of positive factors of 1 2 that are NOT multiples of 2?
Which of the following is the set of positive factors of 1 2 that are NOT multiples of 2?
A . { }
B . {1}
C . {1, 3}
D . {1, 2, 3}
E . {2, 4, 6, 12}
Answer: C
Explanation:
The set of positive factors of 1 2 is {1, 2, 3, 4, 6, 12}. All of the even numbers (2, 4, 6, and 12) are multiples of 2. The only positive factors of 1 2 that are not multiples of 2 are 1 and 3.
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