PRIME FACTORS OF 66
The prime factors of 66 are 2, 3 and 11.
Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of 66.
Prime factors are the numbers at the endpoints. For 66, these numbers are 2, 3 and 11.
The prime factorization of 66 is 2 × 3 × 11.
66 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.