Source: Revised GRE PDF 1st Ed. Section 5: Math; #14 (p. 77)

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If a is the smallest prime number

If a is the smallest prime number greater than 21 and b is the largest prime number less than 16, then ab= 299, 323, 330, 345, 351

1 Explanation

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Gravatar Chris Lele, Magoosh Tutor

Sep 25, 2012 • Comment

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