alleryWhich is the only even prime number?
A0
B4
C2
D1
Answer & Solution
Correct answer: C. 2
1. All prime numbers are odd, with one exception.
2. That exception is 2, which is divisible only by 1 and itself.
3. 0 and 4 are even but not prime, and 1 is odd.
_Source: Wikipedia, Parity (mathematics), Number theory_
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