Q: What are the prime factors of the number 3,245,184?

 A: 2, 3, 313

Why are those the prime factors of the number 3,245,184?

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 3,245,184

3,245,184
Factor Arrows
21,622,592
Factor Arrows
2811,296
Factor Arrows
2405,648
Factor Arrows
2202,824
Factor Arrows
2101,412
Factor Arrows
250,706
Factor Arrows
225,353
Factor Arrows
38,451
Factor Arrows
32,817
Factor Arrows
3939
Factor Arrows
3313

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, 313

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 3 x 3 x 3 x 313 = 3,245,184

This can also be written as 27 x 34 x 3131 = 3,245,184

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


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