Q: What are the prime factors of the number 3,538,688?

 A: 2, 23, 601

Why are those the prime factors of the number 3,538,688?

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 3,538,688

3,538,688
Factor Arrows
21,769,344
Factor Arrows
2884,672
Factor Arrows
2442,336
Factor Arrows
2221,168
Factor Arrows
2110,584
Factor Arrows
255,292
Factor Arrows
227,646
Factor Arrows
213,823
Factor Arrows
23601

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, 23, 601

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 2 x 23 x 601 = 3,538,688

This can also be written as 28 x 231 x 6011 = 3,538,688

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


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