Source: Official Guide Revised GRE 2nd Ed. Part 9; Section 6; #24

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A student made a conjecture that for any

A student made a conjecture that for any integer n, the integer 4n + 3 is a prime number. Which of the following values of n could be used to disprove the student’s conjecture? Indicate all such values. 1, 3, 4, 6, 7

1 Explanation

2

Gravatar Chris Lele, Magoosh Tutor

Dec 8, 2012 • Comment

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