PRIME FACTORS OF 4
The only prime factor of 4 is 2.
Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of 4.
Prime factors are the numbers at the endpoints. For 4, the only factor is 2.
The prime factorization of 4 is 22.
4 is a composite number.
A prime factor is a factor that is prime. Prime factors can be identified by checking the endpoints of a factor tree.