Q: What are the prime factors of the number 12,570,075?

 A: 3, 5, 7, 23, 347

Why are those the prime factors of the number 12,570,075?

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 12,570,075

12,570,075
Factor Arrows
34,190,025
Factor Arrows
31,396,675
Factor Arrows
5279,335
Factor Arrows
555,867
Factor Arrows
77,981
Factor Arrows
23347

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, 7, 23, 347

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 7 x 23 x 347 = 12,570,075

This can also be written as 32 x 52 x 71 x 231 x 3471 = 12,570,075

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


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