Q: What are the prime factors of the number 9,403,584?

 A: 2, 3, 17, 43, 67

Why are those the prime factors of the number 9,403,584?

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 9,403,584

9,403,584
Factor Arrows
24,701,792
Factor Arrows
22,350,896
Factor Arrows
21,175,448
Factor Arrows
2587,724
Factor Arrows
2293,862
Factor Arrows
2146,931
Factor Arrows
348,977
Factor Arrows
172,881
Factor Arrows
4367

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, 3, 17, 43, 67

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 3 x 17 x 43 x 67 = 9,403,584

This can also be written as 26 x 31 x 171 x 431 x 671 = 9,403,584

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


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