- Examples
- Basic Math
- Factors & Prime Numbers
- Prime Factor Examples
Prime Factors of 45

**PRIME FACTORS OF 45**

The prime factors of **45** are **3** and **5**.

**DESCRIPTIONS**

Factor trees can be used to identify the prime factors of a number. The diagram below shows the factor tree of **45**.

Prime factors are the numbers at the endpoints. For **45**, these numbers are **3** and **5**.

**OTHER INFORMATION**

The prime factorization of

**45**is**3**×^{2}**5**.**45**is a composite number.

The solution and descriptions above are generated by the prime factors calculator. You can use the prime factors calculator to see the prime factors of other numbers.

A prime factor is a factor that is prime. Prime factors can be identified by checking the endpoints of a factor tree.

👉 Click here to see the **factor tree** of 45

👉 Click here to see the **factors** of 45

👉 Click here to see the **prime factorization** of 45

👉 Click here to see the **upside-down division** of 45

- Examples
- Basic Math
- Factors & Prime Numbers
- Prime Factor Examples
Prime Factors of 45