Q: What are the prime factors of the number 65,403,207?

 A: 3, 29, 9281

Why are those the prime factors of the number 65,403,207?

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 65,403,207

65,403,207
Factor Arrows
321,801,069
Factor Arrows
37,267,023
Factor Arrows
32,422,341
Factor Arrows
3807,447
Factor Arrows
3269,149
Factor Arrows
299,281

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, 29, 9281

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 29 x 9,281 = 65,403,207

This can also be written as 35 x 291 x 9,2811 = 65,403,207

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


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