Q: What are the prime factors of the number 17,357,440?

 A: 2, 5, 37, 733

Why are those the prime factors of the number 17,357,440?

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 17,357,440

17,357,440
Factor Arrows
28,678,720
Factor Arrows
24,339,360
Factor Arrows
22,169,680
Factor Arrows
21,084,840
Factor Arrows
2542,420
Factor Arrows
2271,210
Factor Arrows
2135,605
Factor Arrows
527,121
Factor Arrows
37733

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, 5, 37, 733

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 2 x 5 x 37 x 733 = 17,357,440

This can also be written as 27 x 51 x 371 x 7331 = 17,357,440

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


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