Q: What are the prime factors of the number 85,760,576?

 A: 2, 11, 43, 2833

Why are those the prime factors of the number 85,760,576?

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 85,760,576

85,760,576
Factor Arrows
242,880,288
Factor Arrows
221,440,144
Factor Arrows
210,720,072
Factor Arrows
25,360,036
Factor Arrows
22,680,018
Factor Arrows
21,340,009
Factor Arrows
11121,819
Factor Arrows
432,833

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, 11, 43, 2833

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 43 x 2,833 = 85,760,576

This can also be written as 26 x 111 x 431 x 2,8331 = 85,760,576

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


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