Q: What are the prime factors of the number 169,579,185?

 A: 3, 5, 2087, 5417

Why are those the prime factors of the number 169,579,185?

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 169,579,185

169,579,185
Factor Arrows
356,526,395
Factor Arrows
511,305,279
Factor Arrows
2,0875,417

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:

3, 5, 2087, 5417

We can check our work by multiplying all of the prime factors together: 3 x 5 x 2,087 x 5,417 = 169,579,185

This can also be written as 31 x 51 x 2,0871 x 5,4171 = 169,579,185

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


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