Q: What are the prime factors of the number 47,117,952?

 A: 2, 3, 7, 5843

Why are those the prime factors of the number 47,117,952?

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 47,117,952

47,117,952
Factor Arrows
223,558,976
Factor Arrows
211,779,488
Factor Arrows
25,889,744
Factor Arrows
22,944,872
Factor Arrows
21,472,436
Factor Arrows
2736,218
Factor Arrows
2368,109
Factor Arrows
3122,703
Factor Arrows
340,901
Factor Arrows
75,843

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, 7, 5843

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 2 x 3 x 3 x 7 x 5,843 = 47,117,952

This can also be written as 27 x 32 x 71 x 5,8431 = 47,117,952

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


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