Q: What are the prime factors of the number 5,150,208?

 A: 2, 3, 7, 479

Why are those the prime factors of the number 5,150,208?

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 5,150,208

5,150,208
Factor Arrows
22,575,104
Factor Arrows
21,287,552
Factor Arrows
2643,776
Factor Arrows
2321,888
Factor Arrows
2160,944
Factor Arrows
280,472
Factor Arrows
240,236
Factor Arrows
220,118
Factor Arrows
210,059
Factor Arrows
33,353
Factor Arrows
7479

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, 7, 479

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 2 x 2 x 2 x 3 x 7 x 479 = 5,150,208

This can also be written as 29 x 31 x 71 x 4791 = 5,150,208

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


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