Q: What are the prime factors of the number 1,800,704?

 A: 2, 3517

Why are those the prime factors of the number 1,800,704?

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 1,800,704

1,800,704
Factor Arrows
2900,352
Factor Arrows
2450,176
Factor Arrows
2225,088
Factor Arrows
2112,544
Factor Arrows
256,272
Factor Arrows
228,136
Factor Arrows
214,068
Factor Arrows
27,034
Factor Arrows
23,517

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, 3517

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 2 x 2 x 3,517 = 1,800,704

This can also be written as 29 x 3,5171 = 1,800,704

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


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