Q: What are the prime factors of the number 7,458,560?

 A: 2, 5, 5827

Why are those the prime factors of the number 7,458,560?

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 7,458,560

7,458,560
Factor Arrows
23,729,280
Factor Arrows
21,864,640
Factor Arrows
2932,320
Factor Arrows
2466,160
Factor Arrows
2233,080
Factor Arrows
2116,540
Factor Arrows
258,270
Factor Arrows
229,135
Factor Arrows
55,827

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, 5827

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 2 x 2 x 5 x 5,827 = 7,458,560

This can also be written as 28 x 51 x 5,8271 = 7,458,560

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


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