Q: What are the prime factors of the number 471,280?

 A: 2, 5, 43, 137

Why are those the prime factors of the number 471,280?

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 471,280

471,280
Factor Arrows
2235,640
Factor Arrows
2117,820
Factor Arrows
258,910
Factor Arrows
229,455
Factor Arrows
55,891
Factor Arrows
43137

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, 5, 43, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 43 x 137 = 471,280

This can also be written as 24 x 51 x 431 x 1371 = 471,280

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


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