Q: What are the prime factors of the number 17,343,456?

 A: 2, 3, 13, 1069

Why are those the prime factors of the number 17,343,456?

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 17,343,456

17,343,456
Factor Arrows
28,671,728
Factor Arrows
24,335,864
Factor Arrows
22,167,932
Factor Arrows
21,083,966
Factor Arrows
2541,983
Factor Arrows
3180,661
Factor Arrows
1313,897
Factor Arrows
131,069

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, 13, 1069

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 13 x 1,069 = 17,343,456

This can also be written as 25 x 31 x 132 x 1,0691 = 17,343,456

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


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