Q: What are the prime factors of the number 899,424?

 A: 2, 3, 347

Why are those the prime factors of the number 899,424?

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 899,424

899,424
Factor Arrows
2449,712
Factor Arrows
2224,856
Factor Arrows
2112,428
Factor Arrows
256,214
Factor Arrows
228,107
Factor Arrows
39,369
Factor Arrows
33,123
Factor Arrows
31,041
Factor Arrows
3347

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, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 347 = 899,424

This can also be written as 25 x 34 x 3471 = 899,424

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


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