Q: What are the prime factors of the number 53,502,336?

 A: 2, 3, 113, 137

Why are those the prime factors of the number 53,502,336?

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 53,502,336

53,502,336
Factor Arrows
226,751,168
Factor Arrows
213,375,584
Factor Arrows
26,687,792
Factor Arrows
23,343,896
Factor Arrows
21,671,948
Factor Arrows
2835,974
Factor Arrows
2417,987
Factor Arrows
3139,329
Factor Arrows
346,443
Factor Arrows
315,481
Factor Arrows
113137

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, 3, 113, 137

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 2 x 3 x 3 x 3 x 113 x 137 = 53,502,336

This can also be written as 27 x 33 x 1131 x 1371 = 53,502,336

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


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