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What are prime numbers?

Answer 1

Genesis Amaya

The number which has only #2# factors which are #1# and the number itself is a Prime Number.

As given by Fermat, #[2^(2^n)+1]# is always a Prime number where 'n' is whole number.

Every number can be represented in a Unique way of the Product of its Prime factors.

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Answer 2

Mila Anderson

Prime numbers are integers greater than 1 that have no positive divisors other than 1 and themselves. In other words, a prime number can only be divided evenly by 1 and itself. Examples of prime numbers include 2, 3, 5, 7, 11, and so on.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.