Prime Factors of 91
Looking to get a list of the prime factors of 91? In this article we'll give you all of the information you need, including the definition of the prime factors of 91, how to calculate the prime factors of 91 (also known as the prime factorization of 91). As a bonus, we'll also list out the prime factor tree of 91 the product of prime factors of 91, and tell you how many prime factors 91 has.
Prime Factors of 91 Definition
Every number can be represented as a product of prime numbers. So when we talk aqbout prime factorization of 91, 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 91 are all of the prime numbers in it that when multipled together will equal 91.
Let's look at how to find all of the prime factors of 91 and list them out.
How to Find the Prime Factors of 91
You'll often see the process of finding prime factors of 91 referred to as prime factorization. To get the prime factors of 91 we need to divide 91 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 91. The prime numbers used in this tree are the prime factors of 91. Let's look at the prime factor tree for 91:
- 91 ÷ 7 = 13
- 13 ÷ 13 = 1
Put simply, all of the prime numbers that you used to divide above are the prime factors of 91 as well. So what we are left with is the answer to your search, the prime factors of 91:
7, and 13
How Many Prime Factors of 91 Are There?
If we count up all of the prime factors of 91 used in the prime factor tree above, we can see that 91 has a total of 2 prime factors.
Product of Prime Factors of 91
The prime factors shown above (7, and 13) are completely unique to 91. When we multiply all of them together the result will be 91 and this is what we call the product of prime factors of 91. The prime factor products of 91 are listed below:
7 x 13 = 91
So there you have it. A complete guide to the factors of 91. 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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