Q: What are the prime factors of the number 85,237,587?

 A: 3, 373, 25391

Why are those the prime factors of the number 85,237,587?

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 85,237,587

85,237,587
Factor Arrows
328,412,529
Factor Arrows
39,470,843
Factor Arrows
37325,391

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, 373, 25391

We can check our work by multiplying all of the prime factors together: 3 x 3 x 373 x 25,391 = 85,237,587

This can also be written as 32 x 3731 x 25,3911 = 85,237,587

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


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