a whole number that only has two factors which are itself and one

A prime number is a whole number that only has two factors which are itself and one.

a natural number, a positive integer where p greater 1 that has no positive integer divisors other than 1 and p itself

A prime number (often simply called a "prime" for short) is a natural number, a positive integer where p greater 1 that has no positive integer divisors other than 1 and p itself.

that is divisible only by one and by itself

A prime number is a number that is only divisible by one and itself.

a positive number divisible by only itself and 1 - 2, 3, 5, 7 and so on

A prime number is a positive number divisible by only itself and 1 - 2, 3, 5, 7 and so on.

a number that can be divided exactly only by itself

A prime number is a number that can be divided exactly only by itself.

whose only factors are 1 and itself

A prime number is a whole number whose only factors are 1 and itself.

a natural number whose only proper divisor is 1

A prime number is a natural number whose only proper divisor is 1.

an integer greater than 1 that is not the product of two smaller positive integers

A prime number is an integer greater than 1 that is not the product of two smaller positive integers.

a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself

A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself.

an integer (whole number) with exactly two factors - no more, no less

Well a prime number is an integer (whole number) with exactly two factors - no more, no less.

any number that has exactly 2 factors

If we use the simple definition that a prime number is any number that has exactly 2 factors.