Q: What are the prime factors of the number 907,904?

 A: 2, 41, 173

Why are those the prime factors of the number 907,904?

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 907,904

907,904
Factor Arrows
2453,952
Factor Arrows
2226,976
Factor Arrows
2113,488
Factor Arrows
256,744
Factor Arrows
228,372
Factor Arrows
214,186
Factor Arrows
27,093
Factor Arrows
41173

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, 41, 173

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 41 x 173 = 907,904

This can also be written as 27 x 411 x 1731 = 907,904

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


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