Q: What are the prime factors of the number 2,848,640?

 A: 2, 5, 4451

Why are those the prime factors of the number 2,848,640?

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 2,848,640

2,848,640
Factor Arrows
21,424,320
Factor Arrows
2712,160
Factor Arrows
2356,080
Factor Arrows
2178,040
Factor Arrows
289,020
Factor Arrows
244,510
Factor Arrows
222,255
Factor Arrows
54,451

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, 5, 4451

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 5 x 4,451 = 2,848,640

This can also be written as 27 x 51 x 4,4511 = 2,848,640

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


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