Q: What are the prime factors of the number 85,706,760?

 A: 2, 3, 5, 714223

Why are those the prime factors of the number 85,706,760?

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 85,706,760

85,706,760
Factor Arrows
242,853,380
Factor Arrows
221,426,690
Factor Arrows
210,713,345
Factor Arrows
33,571,115
Factor Arrows
5714,223

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, 5, 714223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 714,223 = 85,706,760

This can also be written as 23 x 31 x 51 x 714,2231 = 85,706,760

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


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