Q: What are the prime factors of the number 458,166,592?

 A: 2, 13, 17, 29, 1117

Why are those the prime factors of the number 458,166,592?

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 458,166,592

458,166,592
Factor Arrows
2229,083,296
Factor Arrows
2114,541,648
Factor Arrows
257,270,824
Factor Arrows
228,635,412
Factor Arrows
214,317,706
Factor Arrows
27,158,853
Factor Arrows
13550,681
Factor Arrows
1732,393
Factor Arrows
291,117

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, 29, 1117

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 13 x 17 x 29 x 1,117 = 458,166,592

This can also be written as 26 x 131 x 171 x 291 x 1,1171 = 458,166,592

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


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