Q: What are the prime factors of the number 325,626,560?

 A: 2, 5, 7, 19, 1093

Why are those the prime factors of the number 325,626,560?

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 325,626,560

325,626,560
Factor Arrows
2162,813,280
Factor Arrows
281,406,640
Factor Arrows
240,703,320
Factor Arrows
220,351,660
Factor Arrows
210,175,830
Factor Arrows
25,087,915
Factor Arrows
51,017,583
Factor Arrows
7145,369
Factor Arrows
720,767
Factor Arrows
191,093

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, 5, 7, 19, 1093

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 5 x 7 x 7 x 19 x 1,093 = 325,626,560

This can also be written as 26 x 51 x 72 x 191 x 1,0931 = 325,626,560

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


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