21 as a Product of Prime Factors
Do you want to express or show 21 as a product of its prime factors? In this super quick tutorial we'll explain what the product of prime factors is, and list out the product form of 21 to help you in your math homework journey!
What is 21 as a Product of Prime Factors?
Let's do a quick prime factor recap here to make sure you understand the terms we're using. When we refer to the word "product" in this, what we really mean is the result you get when you multiply numbers together to get to the number 21.
In this tutorial we are looking specifically at the prime factors that can be multiplied together to give you the product, which is 21.
Every number can be represented as a product of prime numbers. So when we talk aqbout prime factorization of 21, 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 21 are all of the prime numbers in it that when multipled together will equal 21.
In this case, the prime factors of 21 are:
We can now easily show 21 as a product of the prime factors:
3 x 7 = 21
Fun fact! There is one one set of unique prime factors that can be multiplied to equal 21. That's why we call them the building blocks of numbers!
So there you have it. A complete guide to the factors of 21. 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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"21 as a Product of Prime Factors". VisualFractions.com. Accessed on May 28, 2022. http://visualfractions.com/calculator/prime-factors/21-as-a-product-of-prime-factors/.
"21 as a Product of Prime Factors". VisualFractions.com, http://visualfractions.com/calculator/prime-factors/21-as-a-product-of-prime-factors/. Accessed 28 May, 2022.
21 as a Product of Prime Factors. VisualFractions.com. Retrieved from http://visualfractions.com/calculator/prime-factors/21-as-a-product-of-prime-factors/.
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