Q: What are the prime factors of the number 172,753,072?

 A: 2, 3259, 3313

Why are those the prime factors of the number 172,753,072?

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 172,753,072

172,753,072
Factor Arrows
286,376,536
Factor Arrows
243,188,268
Factor Arrows
221,594,134
Factor Arrows
210,797,067
Factor Arrows
3,2593,313

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, 3259, 3313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3,259 x 3,313 = 172,753,072

This can also be written as 24 x 3,2591 x 3,3131 = 172,753,072

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


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