# Prime Factors of 72

Prime Factors of 72 are 2, 2, 2, 3, and 3

#### How to find prime factors of a number

 1.   Prime Factorization of 72 by Division Method 2.   Prime Factorization of 72 by Factor Tree Method 3.   Definition of Prime Factors 4.   Frequently Asked Questions

#### Steps to find Prime Factors of 72 by Division Method

To find the primefactors of 72 using the division method, follow these steps:

• Step 1. Start dividing 72 by the smallest prime number, i.e., 2, 3, 5, and so on. Find the smallest prime factor of the number.
• Step 2. After finding the smallest prime factor of the number 72, which is 2. Divide 72 by 2 to obtain the quotient (36).
72 ÷ 2 = 36
• Step 3. Repeat step 1 with the obtained quotient (36).
36 ÷ 2 = 18
18 ÷ 2 = 9
9 ÷ 3 = 3
3 ÷ 3 = 1

So, the prime factorization of 72 is, 72 = 2 x 2 x 2 x 3 x 3.

#### Steps to find Prime Factors of 72 by Factor Tree Method

We can follow the same procedure using the factor tree of 72 as shown below:

So, the prime factorization of 72 is, 72 = 2 x 2 x 2 x 3 x 3.

#### How do you define Prime Factors of a number?

Prime numbers, in mathematics are all those natural numbers greater than 1 that have exactly 2 factors which are 1 and the number itself. When we express any number as the product of these prime numbers than these prime numbers become prime factors of that number. Eg- Prime Factors of 72 are 2 x 2 x 2 x 3 x 3.

#### Properties of Prime Factors

• For any given number there is one and only one set of unique prime factors.
• Any number can have only 1 even prime factor and that is number 2.
• Two prime factors are always coprime to each other.
• 1 is the factor of any given number, but 1 is neither a prime number nor a composite number. So, 1 is the factor of 72 but not a prime factor of 72.

• Which is the smallest prime factor of 72?

Smallest prime factor of 72 is 2.

• Is 72 a perfect square?

No 72 is not a perfect square.

• What is the prime factorization of 72?

Prime factorization of 72 is 2 x 2 x 2 x 3 x 3.

• What is prime factorization of 72 in exponential form?

Prime factorization of 72 in exponential form is 23 x 32.

• Is 72 a prime number or a composite number?

72 is a composite number.

• Which is the largest prime factors of 72?

The largest prime factor of 72 is 3.

• What is the product of all prime factors of 72?

Prime factors of 72 are 2 x 2 x 2 x 3 x 3. Therefore, their product is 72.

• What numbers are the prime factors of 72?

Prime factors of 72 are 2 , 2 , 2 , 3 , 3.

• Is there any even prime factor of 72?

Yes there is a even prime factor of 72.