Q: What are the prime factors of the number 172,523,724?

 A: 2, 3, 19, 756683

Why are those the prime factors of the number 172,523,724?

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 172,523,724

172,523,724
Factor Arrows
286,261,862
Factor Arrows
243,130,931
Factor Arrows
314,376,977
Factor Arrows
19756,683

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, 3, 19, 756683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 19 x 756,683 = 172,523,724

This can also be written as 22 x 31 x 191 x 756,6831 = 172,523,724

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


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