All of the prime numbers have the same number of factors; one and themselves.
Prime numbers are prime factors.
All non-zero numbers have factors. Some factors are prime numbers. Prime factors are factors that are prime numbers.
All numbers have factors. Some factors are prime numbers. These are prime factors. A factor string where all the factors are prime numbers is called a prime factorization.
Some factors are prime numbers.
All numbers have factors. Some factors are prime numbers. These are known as prime factors.
All numbers have factors. Some factors are prime numbers. These are known as prime factors.
Prime factors are factors that are also prime numbers.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. Some common factors are prime numbers. These are known as common prime factors.
All numbers have factors. Some factors are prime numbers. These are known as prime factors.
All numbers have factors. Some factors are prime numbers. These are called prime factors.
All numbers have factors. Some factors are prime numbers. These are known as prime factors. Some numbers have some of the same prime factors as other numbers. These are known as common prime factors. 3 is a common prime factor of 12 and 15.
Prime factors of numbers are small numbers that the bigger (original) number can divide by. The prime factors have to be prime. This means they only have two factors, itself and one.