Q: What are the prime factors of the number 474,480?

 A: 2, 3, 5, 659

Why are those the prime factors of the number 474,480?

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 474,480

474,480
Factor Arrows
2237,240
Factor Arrows
2118,620
Factor Arrows
259,310
Factor Arrows
229,655
Factor Arrows
39,885
Factor Arrows
33,295
Factor Arrows
5659

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, 659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 659 = 474,480

This can also be written as 24 x 32 x 51 x 6591 = 474,480

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


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