Q: What are the prime factors of the number 7,818,048?

 A: 2, 3, 7, 277

Why are those the prime factors of the number 7,818,048?

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 7,818,048

7,818,048
Factor Arrows
23,909,024
Factor Arrows
21,954,512
Factor Arrows
2977,256
Factor Arrows
2488,628
Factor Arrows
2244,314
Factor Arrows
2122,157
Factor Arrows
340,719
Factor Arrows
313,573
Factor Arrows
71,939
Factor Arrows
7277

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, 7, 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 3 x 3 x 7 x 7 x 277 = 7,818,048

This can also be written as 26 x 32 x 72 x 2771 = 7,818,048

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


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