PRIME FACTORS OF 140
The prime factors of 140 are 2, 5 and 7.
Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of 140.
Prime factors are the numbers at the endpoints. For 140, these numbers are 2, 5 and 7.
The prime factorization of 140 is 22 × 5 × 7.
140 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.