Q: What are the prime factors of the number 17,810,275?

 A: 5, 7, 31, 67

Why are those the prime factors of the number 17,810,275?

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 17,810,275

17,810,275
Factor Arrows
53,562,055
Factor Arrows
5712,411
Factor Arrows
7101,773
Factor Arrows
714,539
Factor Arrows
72,077
Factor Arrows
3167

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, 67

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 7 x 7 x 31 x 67 = 17,810,275

This can also be written as 52 x 73 x 311 x 671 = 17,810,275

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


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