Q: What are the prime factors of the number 10,658,048?

 A: 2, 17, 31, 79

Why are those the prime factors of the number 10,658,048?

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 10,658,048

10,658,048
Factor Arrows
25,329,024
Factor Arrows
22,664,512
Factor Arrows
21,332,256
Factor Arrows
2666,128
Factor Arrows
2333,064
Factor Arrows
2166,532
Factor Arrows
283,266
Factor Arrows
241,633
Factor Arrows
172,449
Factor Arrows
3179

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, 31, 79

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 2 x 17 x 31 x 79 = 10,658,048

This can also be written as 28 x 171 x 311 x 791 = 10,658,048

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


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