Q: What are the prime factors of the number 4,055,168?

 A: 2, 13, 2437

Why are those the prime factors of the number 4,055,168?

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 4,055,168

4,055,168
Factor Arrows
22,027,584
Factor Arrows
21,013,792
Factor Arrows
2506,896
Factor Arrows
2253,448
Factor Arrows
2126,724
Factor Arrows
263,362
Factor Arrows
231,681
Factor Arrows
132,437

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, 13, 2437

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 13 x 2,437 = 4,055,168

This can also be written as 27 x 131 x 2,4371 = 4,055,168

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


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