Q: What are the prime factors of the number 1,544,128?

 A: 2, 23, 1049

Why are those the prime factors of the number 1,544,128?

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 1,544,128

1,544,128
Factor Arrows
2772,064
Factor Arrows
2386,032
Factor Arrows
2193,016
Factor Arrows
296,508
Factor Arrows
248,254
Factor Arrows
224,127
Factor Arrows
231,049

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, 23, 1049

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 23 x 1,049 = 1,544,128

This can also be written as 26 x 231 x 1,0491 = 1,544,128

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


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