Q: What are the prime factors of the number 172,044,172?

 A: 2, 31, 911, 1523

Why are those the prime factors of the number 172,044,172?

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 172,044,172

172,044,172
Factor Arrows
286,022,086
Factor Arrows
243,011,043
Factor Arrows
311,387,453
Factor Arrows
9111,523

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, 31, 911, 1523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 31 x 911 x 1,523 = 172,044,172

This can also be written as 22 x 311 x 9111 x 1,5231 = 172,044,172

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


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