Q: What are the prime factors of the number 674,700?

 A: 2, 3, 5, 13, 173

Why are those the prime factors of the number 674,700?

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 674,700

674,700
Factor Arrows
2337,350
Factor Arrows
2168,675
Factor Arrows
356,225
Factor Arrows
511,245
Factor Arrows
52,249
Factor Arrows
13173

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, 13, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 13 x 173 = 674,700

This can also be written as 22 x 31 x 52 x 131 x 1731 = 674,700

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


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