Q: What are the prime factors of the number 17,419,456?

 A: 2, 272179

Why are those the prime factors of the number 17,419,456?

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 17,419,456

17,419,456
Factor Arrows
28,709,728
Factor Arrows
24,354,864
Factor Arrows
22,177,432
Factor Arrows
21,088,716
Factor Arrows
2544,358
Factor Arrows
2272,179

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, 272179

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 272,179 = 17,419,456

This can also be written as 26 x 272,1791 = 17,419,456

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


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