Q: What are the prime factors of the number 3,827,712?

 A: 2, 3, 7, 89

Why are those the prime factors of the number 3,827,712?

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 3,827,712

3,827,712
Factor Arrows
21,913,856
Factor Arrows
2956,928
Factor Arrows
2478,464
Factor Arrows
2239,232
Factor Arrows
2119,616
Factor Arrows
259,808
Factor Arrows
229,904
Factor Arrows
214,952
Factor Arrows
27,476
Factor Arrows
23,738
Factor Arrows
21,869
Factor Arrows
3623
Factor Arrows
789

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, 7, 89

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 3 x 7 x 89 = 3,827,712

This can also be written as 211 x 31 x 71 x 891 = 3,827,712

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


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