Q: What are the prime factors of the number 4,444,416?

 A: 2, 3, 643

Why are those the prime factors of the number 4,444,416?

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 4,444,416

4,444,416
Factor Arrows
22,222,208
Factor Arrows
21,111,104
Factor Arrows
2555,552
Factor Arrows
2277,776
Factor Arrows
2138,888
Factor Arrows
269,444
Factor Arrows
234,722
Factor Arrows
217,361
Factor Arrows
35,787
Factor Arrows
31,929
Factor Arrows
3643

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, 643

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 3 x 3 x 3 x 643 = 4,444,416

This can also be written as 28 x 33 x 6431 = 4,444,416

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


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