Q: What are the prime factors of the number 170,805,184?

 A: 2, 11, 242621

Why are those the prime factors of the number 170,805,184?

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 170,805,184

170,805,184
Factor Arrows
285,402,592
Factor Arrows
242,701,296
Factor Arrows
221,350,648
Factor Arrows
210,675,324
Factor Arrows
25,337,662
Factor Arrows
22,668,831
Factor Arrows
11242,621

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, 11, 242621

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 11 x 242,621 = 170,805,184

This can also be written as 26 x 111 x 242,6211 = 170,805,184

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


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