Q: What are the prime factors of the number 47,206,272?

 A: 2, 3, 269, 457

Why are those the prime factors of the number 47,206,272?

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 47,206,272

47,206,272
Factor Arrows
223,603,136
Factor Arrows
211,801,568
Factor Arrows
25,900,784
Factor Arrows
22,950,392
Factor Arrows
21,475,196
Factor Arrows
2737,598
Factor Arrows
2368,799
Factor Arrows
3122,933
Factor Arrows
269457

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, 269, 457

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 269 x 457 = 47,206,272

This can also be written as 27 x 31 x 2691 x 4571 = 47,206,272

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


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