Q: What are the prime factors of the number 502,208?

 A: 2, 7, 19, 59

Why are those the prime factors of the number 502,208?

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 502,208

502,208
Factor Arrows
2251,104
Factor Arrows
2125,552
Factor Arrows
262,776
Factor Arrows
231,388
Factor Arrows
215,694
Factor Arrows
27,847
Factor Arrows
71,121
Factor Arrows
1959

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, 19, 59

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 7 x 19 x 59 = 502,208

This can also be written as 26 x 71 x 191 x 591 = 502,208

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


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