Q: What are the prime factors of the number 3,553,888?

 A: 2, 13, 8543

Why are those the prime factors of the number 3,553,888?

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 3,553,888

3,553,888
Factor Arrows
21,776,944
Factor Arrows
2888,472
Factor Arrows
2444,236
Factor Arrows
2222,118
Factor Arrows
2111,059
Factor Arrows
138,543

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, 8543

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 8,543 = 3,553,888

This can also be written as 25 x 131 x 8,5431 = 3,553,888

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


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