Q: What are the prime factors of the number 16,231,175?

 A: 5, 17, 181, 211

Why are those the prime factors of the number 16,231,175?

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 16,231,175

16,231,175
Factor Arrows
53,246,235
Factor Arrows
5649,247
Factor Arrows
1738,191
Factor Arrows
181211

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:

5, 17, 181, 211

We can check our work by multiplying all of the prime factors together: 5 x 5 x 17 x 181 x 211 = 16,231,175

This can also be written as 52 x 171 x 1811 x 2111 = 16,231,175

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


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