Q: What are the prime factors of the number 91,590,792?

 A: 2, 3, 19, 353, 569

Why are those the prime factors of the number 91,590,792?

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 91,590,792

91,590,792
Factor Arrows
245,795,396
Factor Arrows
222,897,698
Factor Arrows
211,448,849
Factor Arrows
33,816,283
Factor Arrows
19200,857
Factor Arrows
353569

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, 19, 353, 569

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 353 x 569 = 91,590,792

This can also be written as 23 x 31 x 191 x 3531 x 5691 = 91,590,792

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


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