Q: What are the prime factors of the number 43,705,458?

 A: 2, 3, 43, 56467

Why are those the prime factors of the number 43,705,458?

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 43,705,458

43,705,458
Factor Arrows
221,852,729
Factor Arrows
37,284,243
Factor Arrows
32,428,081
Factor Arrows
4356,467

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, 43, 56467

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 43 x 56,467 = 43,705,458

This can also be written as 21 x 32 x 431 x 56,4671 = 43,705,458

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


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