Q: What are the prime factors of the number 1,803,904?

 A: 2, 17, 829

Why are those the prime factors of the number 1,803,904?

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 1,803,904

1,803,904
Factor Arrows
2901,952
Factor Arrows
2450,976
Factor Arrows
2225,488
Factor Arrows
2112,744
Factor Arrows
256,372
Factor Arrows
228,186
Factor Arrows
214,093
Factor Arrows
17829

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, 17, 829

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 17 x 829 = 1,803,904

This can also be written as 27 x 171 x 8291 = 1,803,904

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


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