Q: What are the prime factors of the number 85,936,908?

 A: 2, 3, 109, 65701

Why are those the prime factors of the number 85,936,908?

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 85,936,908

85,936,908
Factor Arrows
242,968,454
Factor Arrows
221,484,227
Factor Arrows
37,161,409
Factor Arrows
10965,701

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, 109, 65701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 109 x 65,701 = 85,936,908

This can also be written as 22 x 31 x 1091 x 65,7011 = 85,936,908

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


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