Q: What are the prime factors of the number 502,880?

 A: 2, 5, 7, 449

Why are those the prime factors of the number 502,880?

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 502,880

502,880
Factor Arrows
2251,440
Factor Arrows
2125,720
Factor Arrows
262,860
Factor Arrows
231,430
Factor Arrows
215,715
Factor Arrows
53,143
Factor Arrows
7449

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, 7, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 7 x 449 = 502,880

This can also be written as 25 x 51 x 71 x 4491 = 502,880

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


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