Q: What are the prime factors of the number 467,728?

 A: 2, 23, 31, 41

Why are those the prime factors of the number 467,728?

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 467,728

467,728
Factor Arrows
2233,864
Factor Arrows
2116,932
Factor Arrows
258,466
Factor Arrows
229,233
Factor Arrows
231,271
Factor Arrows
3141

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, 23, 31, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 31 x 41 = 467,728

This can also be written as 24 x 231 x 311 x 411 = 467,728

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


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