Q: What are the prime factors of the number 447,808?

 A: 2, 6997

Why are those the prime factors of the number 447,808?

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 447,808

447,808
Factor Arrows
2223,904
Factor Arrows
2111,952
Factor Arrows
255,976
Factor Arrows
227,988
Factor Arrows
213,994
Factor Arrows
26,997

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, 6997

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 6,997 = 447,808

This can also be written as 26 x 6,9971 = 447,808

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


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