Q: What are the prime factors of the number 4,031,232?

 A: 2, 3, 29, 181

Why are those the prime factors of the number 4,031,232?

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 4,031,232

4,031,232
Factor Arrows
22,015,616
Factor Arrows
21,007,808
Factor Arrows
2503,904
Factor Arrows
2251,952
Factor Arrows
2125,976
Factor Arrows
262,988
Factor Arrows
231,494
Factor Arrows
215,747
Factor Arrows
35,249
Factor Arrows
29181

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, 29, 181

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 29 x 181 = 4,031,232

This can also be written as 28 x 31 x 291 x 1811 = 4,031,232

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


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