Q: What are the prime factors of the number 1,296,352?

 A: 2, 17, 2383

Why are those the prime factors of the number 1,296,352?

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 1,296,352

1,296,352
Factor Arrows
2648,176
Factor Arrows
2324,088
Factor Arrows
2162,044
Factor Arrows
281,022
Factor Arrows
240,511
Factor Arrows
172,383

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, 17, 2383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 2,383 = 1,296,352

This can also be written as 25 x 171 x 2,3831 = 1,296,352

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


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