Factors of 840
Prime Factors Calculator
Enter a natural number to get its prime factors:

Ex.: 4, 8, 9, 26, 128, etc. 
Results:
The number 840 is a composite number because 840 can be divided by one, by itself and at least by 2, 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 840 = 2^{3}•3•5•7. Notice that here, it is written in exponential form. The prime factors of 840 are 2, 3, 5 and 7. It is the list of the integer's prime factors. The number of prime factors of 840 is 4. Factor tree or prime decomposition for 840As 840 is a composite number, we can draw its factor tree: 
Here you can find the answer to questions related to: Factors of 840 or list the factors of 840. 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.
Other calculators related to prime numbers:
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
Links:
Other way people search this question
 Is 840 a prime number?
 Is 840 prime or composite?
 Is 840 a composite number?
 How to find the prime decomposition of 840?
 how many factors does 840 have?