Q: What are the prime factors of the number 6,463,808?

 A: 2, 13, 17, 457

Why are those the prime factors of the number 6,463,808?

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 6,463,808

6,463,808
Factor Arrows
23,231,904
Factor Arrows
21,615,952
Factor Arrows
2807,976
Factor Arrows
2403,988
Factor Arrows
2201,994
Factor Arrows
2100,997
Factor Arrows
137,769
Factor Arrows
17457

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, 13, 17, 457

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 13 x 17 x 457 = 6,463,808

This can also be written as 26 x 131 x 171 x 4571 = 6,463,808

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


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