Q: What are the prime factors of the number 17,258,448?

 A: 2, 3, 167, 2153

Why are those the prime factors of the number 17,258,448?

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 17,258,448

17,258,448
Factor Arrows
28,629,224
Factor Arrows
24,314,612
Factor Arrows
22,157,306
Factor Arrows
21,078,653
Factor Arrows
3359,551
Factor Arrows
1672,153

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, 167, 2153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 167 x 2,153 = 17,258,448

This can also be written as 24 x 31 x 1671 x 2,1531 = 17,258,448

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


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