Prime decomposition of 39
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The number 39 is a composite number because 39 can be divided by one, by itself and at least by 3 and 13. 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 39 = 3•13. Notice that here, it is written in exponential form. The prime factors of 39 are 3 and 13. It is the list of the integer's prime factors. The number of prime factors of 39 is 2. Factor tree or prime decomposition for 39As 39 is a composite number, we can draw its factor tree: 
Here you can find the answer to questions related to: Prime decomposition of 39 or list the factors of 39. 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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