Q: What are the prime factors of the number 4,159,485?

 A: 3, 5, 11, 2801

Why are those the prime factors of the number 4,159,485?

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 4,159,485

4,159,485
Factor Arrows
31,386,495
Factor Arrows
3462,165
Factor Arrows
3154,055
Factor Arrows
530,811
Factor Arrows
112,801

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:

3, 5, 11, 2801

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 11 x 2,801 = 4,159,485

This can also be written as 33 x 51 x 111 x 2,8011 = 4,159,485

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


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