Q: What are the prime factors of the number 1,170,048?

 A: 2, 3, 11, 277

Why are those the prime factors of the number 1,170,048?

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 1,170,048

1,170,048
Factor Arrows
2585,024
Factor Arrows
2292,512
Factor Arrows
2146,256
Factor Arrows
273,128
Factor Arrows
236,564
Factor Arrows
218,282
Factor Arrows
29,141
Factor Arrows
33,047
Factor Arrows
11277

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, 11, 277

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 11 x 277 = 1,170,048

This can also be written as 27 x 31 x 111 x 2771 = 1,170,048

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


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