That's a prime number.
A prime number has exactly two factors, 1 and itself. A composite number has more than two factors.
1 is the only number that has exactly one factor. A prime number has exactly two factors, 1 and the number itself. A composite number has more than two factors.
A prime number, like 2, 3 or 5.
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
Prime numbers have exactly two factors.
Prime numbers have exactly two factors.
A prime number is a whole number with exactly two factors: 1 and itself.
A number that has exactly two (positive) factors is called a prime number. For instance, the only factors of 7 are 1 and 7.
A prime number.
A prime number has exactly two factors: 1 and itself.
A number with more than two factors is a composite number. A number with exactly two factors is a prime number.
A prime number has exactly two factors: itself and 1.
A prime number.
A prime number
A prime number.
No, every number has at a minimum two factors, which are itself and 1. If these are the only two factors, then the number is prime. If it has more factors, then the number is composite.