Q: What are the prime factors of the number 460,544?

 A: 2, 7, 257

Why are those the prime factors of the number 460,544?

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 460,544

460,544
Factor Arrows
2230,272
Factor Arrows
2115,136
Factor Arrows
257,568
Factor Arrows
228,784
Factor Arrows
214,392
Factor Arrows
27,196
Factor Arrows
23,598
Factor Arrows
21,799
Factor Arrows
7257

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, 7, 257

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 7 x 257 = 460,544

This can also be written as 28 x 71 x 2571 = 460,544

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


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