Q: What are the prime factors of the number 3,670,875?

 A: 3, 5, 13, 251

Why are those the prime factors of the number 3,670,875?

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 3,670,875

3,670,875
Factor Arrows
31,223,625
Factor Arrows
3407,875
Factor Arrows
581,575
Factor Arrows
516,315
Factor Arrows
53,263
Factor Arrows
13251

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, 13, 251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 13 x 251 = 3,670,875

This can also be written as 32 x 53 x 131 x 2511 = 3,670,875

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


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