Q: What are the prime factors of the number 3,826,944?

 A: 2, 3, 11, 151

Why are those the prime factors of the number 3,826,944?

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 3,826,944

3,826,944
Factor Arrows
21,913,472
Factor Arrows
2956,736
Factor Arrows
2478,368
Factor Arrows
2239,184
Factor Arrows
2119,592
Factor Arrows
259,796
Factor Arrows
229,898
Factor Arrows
214,949
Factor Arrows
34,983
Factor Arrows
31,661
Factor Arrows
11151

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, 11, 151

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 11 x 151 = 3,826,944

This can also be written as 28 x 32 x 111 x 1511 = 3,826,944

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


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