Q: What are the prime factors of the number 9,643,455?

 A: 3, 5, 7937

Why are those the prime factors of the number 9,643,455?

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 9,643,455

9,643,455
Factor Arrows
33,214,485
Factor Arrows
31,071,495
Factor Arrows
3357,165
Factor Arrows
3119,055
Factor Arrows
339,685
Factor Arrows
57,937

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:

3, 5, 7937

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 7,937 = 9,643,455

This can also be written as 35 x 51 x 7,9371 = 9,643,455

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


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