How many elements are sets of even prime numbers?

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One

Two

Three

Four

answer is A.

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Detailed Solution

Concept- Prime numbers :The number which is divisible by 1 and itself is called prime number.
To answer this question, we must first understand prime numbers and even numbers, after which we will be able to determine how many elements a set of even prime numbers contains. We will now learn about even and prime numbers. An even number is one that can be easily divided by two. Even numbers always have the last digits as

and

are all even numbers. Prime numbers are ones with only one and themselves as factors. For example, the first five prime numbers are

and

. Composite numbers, on the other hand, have more than two factors.
is the only even prime number. As a result, a set of all even prime numbers has only one element.
Hence, the correct option is 1.

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