Q: What are the prime factors of the number 1,804,176?

 A: 2, 3, 11, 17, 67

Why are those the prime factors of the number 1,804,176?

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 1,804,176

1,804,176
Factor Arrows
2902,088
Factor Arrows
2451,044
Factor Arrows
2225,522
Factor Arrows
2112,761
Factor Arrows
337,587
Factor Arrows
312,529
Factor Arrows
111,139
Factor Arrows
1767

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, 11, 17, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 11 x 17 x 67 = 1,804,176

This can also be written as 24 x 32 x 111 x 171 x 671 = 1,804,176

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


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