Q: What are the prime factors of the number 105,410,432?

 A: 2, 823519

Why are those the prime factors of the number 105,410,432?

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 105,410,432

105,410,432
Factor Arrows
252,705,216
Factor Arrows
226,352,608
Factor Arrows
213,176,304
Factor Arrows
26,588,152
Factor Arrows
23,294,076
Factor Arrows
21,647,038
Factor Arrows
2823,519

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, 823519

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 2 x 823,519 = 105,410,432

This can also be written as 27 x 823,5191 = 105,410,432

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


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