Factors of 393
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The number 393 is a composite number because 393 can be divided by one, by itself and at least by 3 and 131. 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 393 = 3•131. Notice that here, it is written in exponential form.
The prime factors of 393 are 3 and 131. It is the list of the integer's prime factors.
The number of prime factors of 393 is 2.
Factor tree or prime decomposition for 393
As 393 is a composite number, we can draw its factor tree:
Here you can find the answer to questions related to: Factors of 393 or list the factors of 393. 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?
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