Q: What are the prime factors of the number 470,232?

 A: 2, 3, 7, 311

Why are those the prime factors of the number 470,232?

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 470,232

470,232
Factor Arrows
2235,116
Factor Arrows
2117,558
Factor Arrows
258,779
Factor Arrows
319,593
Factor Arrows
36,531
Factor Arrows
32,177
Factor Arrows
7311

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, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 7 x 311 = 470,232

This can also be written as 23 x 33 x 71 x 3111 = 470,232

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


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