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Which of the following is True about prime numbers?

87. Which of the following is True about prime numbers?

1. Twin primes are prime number pairs with a difference of two.
2. 2 is not only the even prime number.
3. Every positive integer can be expressed uniquely as a product of prime integers (including one).
4. All of the above

Answer

The correct answer is: A) Twin primes are prime number pairs with a difference of two.

Explanation

Twin Prime Numbers:

• Twin primes are prime number pairs with a difference of two.
• 2 is the only even prime number.
• Every positive integer can be expressed uniquely as a product of prime integers (greater than one).