Q: What are the prime factors of the number 5,760,160?

 A: 2, 5, 7, 37, 139

Why are those the prime factors of the number 5,760,160?

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 5,760,160

5,760,160
Factor Arrows
22,880,080
Factor Arrows
21,440,040
Factor Arrows
2720,020
Factor Arrows
2360,010
Factor Arrows
2180,005
Factor Arrows
536,001
Factor Arrows
75,143
Factor Arrows
37139

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, 37, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 7 x 37 x 139 = 5,760,160

This can also be written as 25 x 51 x 71 x 371 x 1391 = 5,760,160

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


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