Q: What are the prime factors of the number 674,160?

 A: 2, 3, 5, 53

Why are those the prime factors of the number 674,160?

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 674,160

674,160
Factor Arrows
2337,080
Factor Arrows
2168,540
Factor Arrows
284,270
Factor Arrows
242,135
Factor Arrows
314,045
Factor Arrows
52,809
Factor Arrows
5353

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, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 53 x 53 = 674,160

This can also be written as 24 x 31 x 51 x 532 = 674,160

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


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