Q: What are the prime factors of the number 674,325?

 A: 3, 5, 37

Why are those the prime factors of the number 674,325?

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 674,325

674,325
Factor Arrows
3224,775
Factor Arrows
374,925
Factor Arrows
324,975
Factor Arrows
38,325
Factor Arrows
32,775
Factor Arrows
3925
Factor Arrows
5185
Factor Arrows
537

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:

3, 5, 37

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 37 = 674,325

This can also be written as 36 x 52 x 371 = 674,325

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


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