Q: What are the prime factors of the number 7,850,475?

 A: 3, 5, 23, 37, 41

Why are those the prime factors of the number 7,850,475?

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 7,850,475

7,850,475
Factor Arrows
32,616,825
Factor Arrows
3872,275
Factor Arrows
5174,455
Factor Arrows
534,891
Factor Arrows
231,517
Factor Arrows
3741

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, 23, 37, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 23 x 37 x 41 = 7,850,475

This can also be written as 32 x 52 x 231 x 371 x 411 = 7,850,475

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


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