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That is correct -- all prime numbers have exactly two factors.

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Q: Do all prime numbers have exactly two factors?

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By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

Prime numbers never stop, it is impossible to list them all.

All prime squares have just three factors. Example: 9, 25

All prime numbers have two factors.

All the numbers above 2 that are the squares of odd primes have exactly 3 factors: 1, the odd prime, and the odd prime squared. 4, 9, 25, 49, 81, 121,...

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By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

All numbers that are the square of primes have exactly 3 factors.

All numbers that have exactly two factors are prime numbers whereas composite numbers have more than two factors.

The squares of all prime numbers above 2 have exactly 3 factors.

Yes.

Prime numbers never stop, it is impossible to list them all.

4, 9, 25 and 49 They are squares of prime numbers.

A prime number is a number having exactly two factors, 1 and the number itself. All prime numbers except the number 2 are odd numbers.

By definition, all prime numbers have exactly two factors. There is not a prime number that has only one factor.

All numbers have factors. Some factors are prime numbers. These are known as prime factors.

There is no prime number from one to a hundred that has more factors than any other prime number. By definition, a prime number has exactly two factors, 1 and itself. The number 1 has only one factor - itself. All prime numbers have exactly the same number of factors - two. Composite numbers have more than two factors.

All prime squares have just three factors. Example: 9, 25