Q: What are the prime factors of the number 47,816,901?

 A: 3, 11, 19, 2311

Why are those the prime factors of the number 47,816,901?

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 47,816,901

47,816,901
Factor Arrows
315,938,967
Factor Arrows
35,312,989
Factor Arrows
11482,999
Factor Arrows
1143,909
Factor Arrows
192,311

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:

3, 11, 19, 2311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 11 x 19 x 2,311 = 47,816,901

This can also be written as 32 x 112 x 191 x 2,3111 = 47,816,901

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


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