Q: What are the prime factors of the number 172,031,392?

 A: 2, 13, 413537

Why are those the prime factors of the number 172,031,392?

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 172,031,392

172,031,392
Factor Arrows
286,015,696
Factor Arrows
243,007,848
Factor Arrows
221,503,924
Factor Arrows
210,751,962
Factor Arrows
25,375,981
Factor Arrows
13413,537

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, 13, 413537

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 413,537 = 172,031,392

This can also be written as 25 x 131 x 413,5371 = 172,031,392

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


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