PRIME FACTORS OF 126
The prime factors of 126 are 2, 3 and 7.
Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of 126.
Prime factors are the numbers at the endpoints. For 126, these numbers are 2, 3 and 7.
The prime factorization of 126 is 2 × 32 × 7.
126 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.