Q: What are the prime factors of the number 54,031,640?

 A: 2, 5, 13, 29, 3583

Why are those the prime factors of the number 54,031,640?

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 54,031,640

54,031,640
Factor Arrows
227,015,820
Factor Arrows
213,507,910
Factor Arrows
26,753,955
Factor Arrows
51,350,791
Factor Arrows
13103,907
Factor Arrows
293,583

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:

2, 5, 13, 29, 3583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 29 x 3,583 = 54,031,640

This can also be written as 23 x 51 x 131 x 291 x 3,5831 = 54,031,640

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


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