Q: What are the prime factors of the number 27,860,352?

 A: 2, 3, 13, 5581

Why are those the prime factors of the number 27,860,352?

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 27,860,352

27,860,352
Factor Arrows
213,930,176
Factor Arrows
26,965,088
Factor Arrows
23,482,544
Factor Arrows
21,741,272
Factor Arrows
2870,636
Factor Arrows
2435,318
Factor Arrows
2217,659
Factor Arrows
372,553
Factor Arrows
135,581

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, 13, 5581

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 3 x 13 x 5,581 = 27,860,352

This can also be written as 27 x 31 x 131 x 5,5811 = 27,860,352

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


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