Q: What are the prime factors of the number 5,150,520?

 A: 2, 3, 5, 19, 251

Why are those the prime factors of the number 5,150,520?

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 5,150,520

5,150,520
Factor Arrows
22,575,260
Factor Arrows
21,287,630
Factor Arrows
2643,815
Factor Arrows
3214,605
Factor Arrows
371,535
Factor Arrows
323,845
Factor Arrows
54,769
Factor Arrows
19251

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, 19, 251

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 19 x 251 = 5,150,520

This can also be written as 23 x 33 x 51 x 191 x 2511 = 5,150,520

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


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