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Q.

Which of the following is the only even prime number?


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a

1

b

2

c

3

d

5 

answer is B.

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Detailed Solution

Here, we have to find the only even prime number.
Prime numbers are those with just the number itself and one other element.
Ex - 3, 5, 7…
Even numbers: Even numbers are those that can be divided by 2.
Ex- 2, 4, 6...
Therefore, the only even prime number is 2.
Hence, option (2) is correct.
 
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Which of the following is the only even prime number?