Q: What are the prime factors of the number 54,557,120?

 A: 2, 5, 29, 5879

Why are those the prime factors of the number 54,557,120?

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 54,557,120

54,557,120
Factor Arrows
227,278,560
Factor Arrows
213,639,280
Factor Arrows
26,819,640
Factor Arrows
23,409,820
Factor Arrows
21,704,910
Factor Arrows
2852,455
Factor Arrows
5170,491
Factor Arrows
295,879

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, 29, 5879

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 29 x 5,879 = 54,557,120

This can also be written as 26 x 51 x 291 x 5,8791 = 54,557,120

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


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