Is 231 prime?
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The number 231 is a composite number because 231 can be divided by one, by itself and at least by 3, 7 and 11. 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 231 = 3•7•11. Notice that here, it is written in exponential form. The prime factors of 231 are 3, 7 and 11. It is the list of the integer's prime factors. The number of prime factors of 231 is 3. Factor tree or prime decomposition for 231As 231 is a composite number, we can draw its factor tree: 
Here you can find the answer to questions related to: Is 231 prime? or list the factors of 231. 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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