Q: What are the prime factors of the number 456,576?

 A: 2, 3, 29, 41

Why are those the prime factors of the number 456,576?

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 456,576

456,576
Factor Arrows
2228,288
Factor Arrows
2114,144
Factor Arrows
257,072
Factor Arrows
228,536
Factor Arrows
214,268
Factor Arrows
27,134
Factor Arrows
23,567
Factor Arrows
31,189
Factor Arrows
2941

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, 29, 41

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 3 x 29 x 41 = 456,576

This can also be written as 27 x 31 x 291 x 411 = 456,576

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


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