Q: What are the prime factors of the number 6,565,728?

 A: 2, 3, 13, 5261

Why are those the prime factors of the number 6,565,728?

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 6,565,728

6,565,728
Factor Arrows
23,282,864
Factor Arrows
21,641,432
Factor Arrows
2820,716
Factor Arrows
2410,358
Factor Arrows
2205,179
Factor Arrows
368,393
Factor Arrows
135,261

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, 13, 5261

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 5,261 = 6,565,728

This can also be written as 25 x 31 x 131 x 5,2611 = 6,565,728

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


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