Q: What are the prime factors of the number 356,825?

 A: 5, 7, 2039

Why are those the prime factors of the number 356,825?

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 356,825

356,825
Factor Arrows
571,365
Factor Arrows
514,273
Factor Arrows
72,039

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:

5, 7, 2039

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 2,039 = 356,825

This can also be written as 52 x 71 x 2,0391 = 356,825

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


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