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If a and b are prime numbers, such that a > b, which of the following cannot be true?
A. a+b is prime.
B. ab is odd.
C. a(a-b) is odd.
D. a-b is prime.
E. a^b is even.
Answer: E
Source: Kaplan
A. a+b is prime.
B. ab is odd.
C. a(a-b) is odd.
D. a-b is prime.
E. a^b is even.
Answer: E
Source: Kaplan
