Q: What are the prime factors of the number 53,721,843?

 A: 3, 7, 293, 8731

Why are those the prime factors of the number 53,721,843?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 53,721,843

53,721,843
Factor Arrows
317,907,281
Factor Arrows
72,558,183
Factor Arrows
2938,731

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 7, 293, 8731

We can check our work by multiplying all of the prime factors together: 3 x 7 x 293 x 8,731 = 53,721,843

This can also be written as 31 x 71 x 2931 x 8,7311 = 53,721,843

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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