PRIME FACTORS OF 20
The prime factors of 20 are 2 and 5.
Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of 20.
Prime factors are the numbers at the endpoints. For 20, these numbers are 2 and 5.
The prime factorization of 20 is 22 × 5.
20 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.