Q: What are the prime factors of the number 10,835,328?

 A: 2, 3, 7, 29, 139

Why are those the prime factors of the number 10,835,328?

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 10,835,328

10,835,328
Factor Arrows
25,417,664
Factor Arrows
22,708,832
Factor Arrows
21,354,416
Factor Arrows
2677,208
Factor Arrows
2338,604
Factor Arrows
2169,302
Factor Arrows
284,651
Factor Arrows
328,217
Factor Arrows
74,031
Factor Arrows
29139

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, 7, 29, 139

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 7 x 29 x 139 = 10,835,328

This can also be written as 27 x 31 x 71 x 291 x 1391 = 10,835,328

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


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