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Example Questions
Example Question #671 : Gre Quantitative Reasoning
The product of two distinct integers is . Which of the following is a possible sum of these two integers?
Possible Answers:
Correct answer:
Explanation:
Since is negative, it is the product of a positive and negative integer. Consider all of the ways that it could be factored, and the sums these factors would produce:
is the answer choice that matches.
Example Question #94 : Arithmetic
The prime factorization of 60 is?
Possible Answers:
2 * 2 * 3 * 5
2 * 3 * 5
2 * 3 * 10
2 * 3 * 3 * 5
Correct answer:
2 * 2 * 3 * 5
Explanation:
Prime numbers are numbers that can only divided by one and themselves. Breaking 60 into its prime factors yields:
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