Q: What are the prime factors of the number 294,576?

 A: 2, 3, 17, 19

Why are those the prime factors of the number 294,576?

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 294,576

294,576
Factor Arrows
2147,288
Factor Arrows
273,644
Factor Arrows
236,822
Factor Arrows
218,411
Factor Arrows
36,137
Factor Arrows
17361
Factor Arrows
1919

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, 17, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 19 x 19 = 294,576

This can also be written as 24 x 31 x 171 x 192 = 294,576

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


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