Q: What are the prime factors of the number 458,115,800?

 A: 2, 5, 101, 22679

Why are those the prime factors of the number 458,115,800?

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 458,115,800

458,115,800
Factor Arrows
2229,057,900
Factor Arrows
2114,528,950
Factor Arrows
257,264,475
Factor Arrows
511,452,895
Factor Arrows
52,290,579
Factor Arrows
10122,679

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, 5, 101, 22679

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 101 x 22,679 = 458,115,800

This can also be written as 23 x 52 x 1011 x 22,6791 = 458,115,800

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


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