Q: What are the prime factors of the number 484,920?

 A: 2, 3, 5, 449

Why are those the prime factors of the number 484,920?

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 484,920

484,920
Factor Arrows
2242,460
Factor Arrows
2121,230
Factor Arrows
260,615
Factor Arrows
320,205
Factor Arrows
36,735
Factor Arrows
32,245
Factor Arrows
5449

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, 5, 449

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 5 x 449 = 484,920

This can also be written as 23 x 33 x 51 x 4491 = 484,920

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


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