Q: What are the prime factors of the number 10,578,048?

 A: 2, 3, 13, 163

Why are those the prime factors of the number 10,578,048?

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 10,578,048

10,578,048
Factor Arrows
25,289,024
Factor Arrows
22,644,512
Factor Arrows
21,322,256
Factor Arrows
2661,128
Factor Arrows
2330,564
Factor Arrows
2165,282
Factor Arrows
282,641
Factor Arrows
327,547
Factor Arrows
132,119
Factor Arrows
13163

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, 163

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 2 x 3 x 13 x 13 x 163 = 10,578,048

This can also be written as 27 x 31 x 132 x 1631 = 10,578,048

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


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