Is 945 prime?
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The number 945 is a composite number because 945 can be divided by one, by itself and at least by 3, 5 and 7. 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 945 = 3^{3}•5•7. Notice that here, it is written in exponential form. The prime factors of 945 are 3, 5 and 7. It is the list of the integer's prime factors. The number of prime factors of 945 is 3. Factor tree or prime decomposition for 945As 945 is a composite number, we can draw its factor tree: 
Here you can find the answer to questions related to: Is 945 prime? or list the factors of 945. 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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