Prime Factors of 720

Looking to get a list of the prime factors of 720? In this article we'll give you all of the information you need, including the definition of the prime factors of 720, how to calculate the prime factors of 720 (also known as the prime factorization of 720). As a bonus, we'll also list out the prime factor tree of 720 the product of prime factors of 720, and tell you how many prime factors 720 has.

Prime Factors of 720 Definition

Every number can be represented as a product of prime numbers. So when we talk aqbout prime factorization of 720, we're talking about the building blocks of the number. A prime factor is a positive integer that can only be divided by 1 and itself. The prime factors of 720 are all of the prime numbers in it that when multipled together will equal 720.

Let's look at how to find all of the prime factors of 720 and list them out.

How to Find the Prime Factors of 720

You'll often see the process of finding prime factors of 720 referred to as prime factorization. To get the prime factors of 720 we need to divide 720 by the smallest prime number possible. You then repeat the same process by taking the result and dividing that number by the smallest prime number. Eventually, you end up with the number 1.

This process creates something called a prime factor tree of 720. The prime numbers used in this tree are the prime factors of 720. Let's look at the prime factor tree for 720:

  • 720 ÷ 2 = 360
  • 360 ÷ 2 = 180
  • 180 ÷ 2 = 90
  • 90 ÷ 2 = 45
  • 45 ÷ 3 = 15
  • 15 ÷ 3 = 5
  • 5 ÷ 5 = 1

Put simply, all of the prime numbers that you used to divide above are the prime factors of 720 as well. So what we are left with is the answer to your search, the prime factors of 720:

2, 2, 2, 2, 3, 3, and 5

How Many Prime Factors of 720 Are There?

If we count up all of the prime factors of 720 used in the prime factor tree above, we can see that 720 has a total of 7 prime factors.

Product of Prime Factors of 720

The prime factors shown above (2, 2, 2, 2, 3, 3, and 5) are completely unique to 720. When we multiply all of them together the result will be 720 and this is what we call the product of prime factors of 720. The prime factor products of 720 are listed below:

2 x 2 x 2 x 2 x 3 x 3 x 5 = 720

So there you have it. A complete guide to the factors of 720. You should now have the knowledge and skills to go out and calculate your own factors and factor pairs for any number you like.

Feel free to try the calculator below to check another number or, if you're feeling fancy, grab a pencil and paper and try and do it by hand. Just make sure to pick small numbers!

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