Q: What are the prime factors of the number 86,084,028?

 A: 2, 3, 307, 7789

Why are those the prime factors of the number 86,084,028?

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 86,084,028

86,084,028
Factor Arrows
243,042,014
Factor Arrows
221,521,007
Factor Arrows
37,173,669
Factor Arrows
32,391,223
Factor Arrows
3077,789

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:

2, 3, 307, 7789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 307 x 7,789 = 86,084,028

This can also be written as 22 x 32 x 3071 x 7,7891 = 86,084,028

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


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