Q: What are the prime factors of the number 565,005,120?

 A: 2, 3, 5, 23, 25589

Why are those the prime factors of the number 565,005,120?

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 565,005,120

565,005,120
Factor Arrows
2282,502,560
Factor Arrows
2141,251,280
Factor Arrows
270,625,640
Factor Arrows
235,312,820
Factor Arrows
217,656,410
Factor Arrows
28,828,205
Factor Arrows
32,942,735
Factor Arrows
5588,547
Factor Arrows
2325,589

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, 5, 23, 25589

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 3 x 5 x 23 x 25,589 = 565,005,120

This can also be written as 26 x 31 x 51 x 231 x 25,5891 = 565,005,120

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


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