Q: What are the prime factors of the number 3,753,072?

 A: 2, 3, 67, 389

Why are those the prime factors of the number 3,753,072?

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 3,753,072

3,753,072
Factor Arrows
21,876,536
Factor Arrows
2938,268
Factor Arrows
2469,134
Factor Arrows
2234,567
Factor Arrows
378,189
Factor Arrows
326,063
Factor Arrows
67389

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, 67, 389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 67 x 389 = 3,753,072

This can also be written as 24 x 32 x 671 x 3891 = 3,753,072

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


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