Q: What are the prime factors of the number 502,003,120?

 A: 2, 5, 463, 13553

Why are those the prime factors of the number 502,003,120?

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 502,003,120

502,003,120
Factor Arrows
2251,001,560
Factor Arrows
2125,500,780
Factor Arrows
262,750,390
Factor Arrows
231,375,195
Factor Arrows
56,275,039
Factor Arrows
46313,553

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, 463, 13553

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 463 x 13,553 = 502,003,120

This can also be written as 24 x 51 x 4631 x 13,5531 = 502,003,120

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


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