Q: What are the prime factors of the number 8,729,802?

 A: 2, 3, 41, 3943

Why are those the prime factors of the number 8,729,802?

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 8,729,802

8,729,802
Factor Arrows
24,364,901
Factor Arrows
31,454,967
Factor Arrows
3484,989
Factor Arrows
3161,663
Factor Arrows
413,943

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, 41, 3943

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 41 x 3,943 = 8,729,802

This can also be written as 21 x 33 x 411 x 3,9431 = 8,729,802

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


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