Q: What are the prime factors of the number 91,042,022?

 A: 2, 53, 71, 12097

Why are those the prime factors of the number 91,042,022?

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 91,042,022

91,042,022
Factor Arrows
245,521,011
Factor Arrows
53858,887
Factor Arrows
7112,097

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, 53, 71, 12097

We can check our work by multiplying all of the prime factors together: 2 x 53 x 71 x 12,097 = 91,042,022

This can also be written as 21 x 531 x 711 x 12,0971 = 91,042,022

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


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