Q: What are the prime factors of the number 899,829?

 A: 3, 7, 23

Why are those the prime factors of the number 899,829?

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 899,829

899,829
Factor Arrows
3299,943
Factor Arrows
399,981
Factor Arrows
333,327
Factor Arrows
311,109
Factor Arrows
33,703
Factor Arrows
7529
Factor Arrows
2323

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:

3, 7, 23

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 23 x 23 = 899,829

This can also be written as 35 x 71 x 232 = 899,829

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


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