Q: What are the prime factors of the number 994,688?

 A: 2, 19, 409

Why are those the prime factors of the number 994,688?

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 994,688

994,688
Factor Arrows
2497,344
Factor Arrows
2248,672
Factor Arrows
2124,336
Factor Arrows
262,168
Factor Arrows
231,084
Factor Arrows
215,542
Factor Arrows
27,771
Factor Arrows
19409

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, 19, 409

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 19 x 409 = 994,688

This can also be written as 27 x 191 x 4091 = 994,688

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


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