Is 400 prime?
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The number 400 is a composite number because 400 can be divided by one, by itself and at least by 2 and 5. A composite number is an integer that can be divided by at least another natural number, besides itself and 1, without leaving a remainder (divided exactly).
The factorization or decomposition of 400 = 24•52. Notice that here, it is written in exponential form.
The prime factors of 400 are 2 and 5. It is the list of the integer's prime factors.
The number of prime factors of 400 is 2.
Factor tree or prime decomposition for 400
As 400 is a composite number, we can draw its factor tree:
Here you can find the answer to questions related to: Is 400 prime? or list the factors of 400. By using our online calculator to find the prime factors of any composite number and check if a number is prime or composite. This tool also draws the prime factor tree if the number is factorable and smaller than 16000.
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What is prime number? How to factorize a number?
Watch this video below to learn more on prime numbers, prime factors and how you can draw a factor tree.
You can also find this video about factorization at mathantics.com
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