Q: What are the prime factors of the number 105,087,723?

 A: 3, 13, 47, 57331

Why are those the prime factors of the number 105,087,723?

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 105,087,723

105,087,723
Factor Arrows
335,029,241
Factor Arrows
132,694,557
Factor Arrows
4757,331

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, 13, 47, 57331

We can check our work by multiplying all of the prime factors together: 3 x 13 x 47 x 57,331 = 105,087,723

This can also be written as 31 x 131 x 471 x 57,3311 = 105,087,723

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


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