Q: What are the prime factors of the number 86,285,832?

 A: 2, 3, 127, 28309

Why are those the prime factors of the number 86,285,832?

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 86,285,832

86,285,832
Factor Arrows
243,142,916
Factor Arrows
221,571,458
Factor Arrows
210,785,729
Factor Arrows
33,595,243
Factor Arrows
12728,309

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, 127, 28309

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 127 x 28,309 = 86,285,832

This can also be written as 23 x 31 x 1271 x 28,3091 = 86,285,832

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


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