Q: What are the prime factors of the number 11,553,030?

 A: 2, 3, 5, 17, 839

Why are those the prime factors of the number 11,553,030?

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 11,553,030

11,553,030
Factor Arrows
25,776,515
Factor Arrows
31,925,505
Factor Arrows
3641,835
Factor Arrows
3213,945
Factor Arrows
371,315
Factor Arrows
514,263
Factor Arrows
17839

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, 5, 17, 839

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 17 x 839 = 11,553,030

This can also be written as 21 x 34 x 51 x 171 x 8391 = 11,553,030

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


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