Q: What are the prime factors of the number 169,024?

 A: 2, 19, 139

Why are those the prime factors of the number 169,024?

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 169,024

169,024
Factor Arrows
284,512
Factor Arrows
242,256
Factor Arrows
221,128
Factor Arrows
210,564
Factor Arrows
25,282
Factor Arrows
22,641
Factor Arrows
19139

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, 19, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 19 x 139 = 169,024

This can also be written as 26 x 191 x 1391 = 169,024

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


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