Q: What are the prime factors of the number 7,234,160?

 A: 2, 5, 31, 2917

Why are those the prime factors of the number 7,234,160?

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 7,234,160

7,234,160
Factor Arrows
23,617,080
Factor Arrows
21,808,540
Factor Arrows
2904,270
Factor Arrows
2452,135
Factor Arrows
590,427
Factor Arrows
312,917

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, 31, 2917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 31 x 2,917 = 7,234,160

This can also be written as 24 x 51 x 311 x 2,9171 = 7,234,160

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


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