Q: What are the prime factors of the number 43,399,539?

 A: 3, 751, 6421

Why are those the prime factors of the number 43,399,539?

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 43,399,539

43,399,539
Factor Arrows
314,466,513
Factor Arrows
34,822,171
Factor Arrows
7516,421

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:

3, 751, 6421

We can check our work by multiplying all of the prime factors together: 3 x 3 x 751 x 6,421 = 43,399,539

This can also be written as 32 x 7511 x 6,4211 = 43,399,539

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


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