Source: GMAT Paper Tests
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A. 15
B. 33
C. 34
D. 46
E. 51
The OA is E
The product P of two prime numbers is between 9 and 55.
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Prime numbers that are greater than 2 but less than 6: 3, 5BTGmoderatorLU wrote:Source: GMAT Paper Tests
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A. 15
B. 33
C. 34
D. 46
E. 51
The OA is E
Prime numbers that are greater than 13 but less than 25: 17, 19, 23
Scan the answer choices . . .
E) 51 = 3 x 17
PERFECT!
Answer: E
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The primes greater than 2 but less than 6 are 3 and 5.BTGmoderatorLU wrote:Source: GMAT Paper Tests
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A. 15
B. 33
C. 34
D. 46
E. 51
The OA is E
The primes greater than 13 but less than 25 are 17, 19, and 23.
Thus, we see that P could only be 3 x 17 = 51. Increasing either factor in this product would result in a product that is greater than 55.
Answer: E
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