Q: What are the prime factors of the number 452,608?

 A: 2, 13, 17

Why are those the prime factors of the number 452,608?

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 452,608

452,608
Factor Arrows
2226,304
Factor Arrows
2113,152
Factor Arrows
256,576
Factor Arrows
228,288
Factor Arrows
214,144
Factor Arrows
27,072
Factor Arrows
23,536
Factor Arrows
21,768
Factor Arrows
2884
Factor Arrows
2442
Factor Arrows
2221
Factor Arrows
1317

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, 13, 17

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 2 x 2 x 2 x 2 x 13 x 17 = 452,608

This can also be written as 211 x 131 x 171 = 452,608

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


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