Q: What are the prime factors of the number 17,766,875?

 A: 5, 7, 31, 131

Why are those the prime factors of the number 17,766,875?

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 17,766,875

17,766,875
Factor Arrows
53,553,375
Factor Arrows
5710,675
Factor Arrows
5142,135
Factor Arrows
528,427
Factor Arrows
74,061
Factor Arrows
31131

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, 7, 31, 131

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 7 x 31 x 131 = 17,766,875

This can also be written as 54 x 71 x 311 x 1311 = 17,766,875

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


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