Q: What are the prime factors of the number 363,311,568?

 A: 2, 3, 31, 9043

Why are those the prime factors of the number 363,311,568?

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 363,311,568

363,311,568
Factor Arrows
2181,655,784
Factor Arrows
290,827,892
Factor Arrows
245,413,946
Factor Arrows
222,706,973
Factor Arrows
37,568,991
Factor Arrows
32,522,997
Factor Arrows
3840,999
Factor Arrows
3280,333
Factor Arrows
319,043

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, 31, 9043

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 31 x 9,043 = 363,311,568

This can also be written as 24 x 34 x 311 x 9,0431 = 363,311,568

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


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