Q: What are the prime factors of the number 2,025,472?

 A: 2, 23, 43

Why are those the prime factors of the number 2,025,472?

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 2,025,472

2,025,472
Factor Arrows
21,012,736
Factor Arrows
2506,368
Factor Arrows
2253,184
Factor Arrows
2126,592
Factor Arrows
263,296
Factor Arrows
231,648
Factor Arrows
215,824
Factor Arrows
27,912
Factor Arrows
23,956
Factor Arrows
21,978
Factor Arrows
2989
Factor Arrows
2343

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, 43

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 2 x 2 x 2 x 23 x 43 = 2,025,472

This can also be written as 211 x 231 x 431 = 2,025,472

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


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