Q: What are the prime factors of the number 17,340,272?

 A: 2, 17, 37, 1723

Why are those the prime factors of the number 17,340,272?

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 17,340,272

17,340,272
Factor Arrows
28,670,136
Factor Arrows
24,335,068
Factor Arrows
22,167,534
Factor Arrows
21,083,767
Factor Arrows
1763,751
Factor Arrows
371,723

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, 17, 37, 1723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 37 x 1,723 = 17,340,272

This can also be written as 24 x 171 x 371 x 1,7231 = 17,340,272

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


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